Publication list for
Yuji Hasegawa
E141 - Atominstitute
as author or essentially involved person
230 records (2002 - 2021)
Publications in Scientific Journals
St. Sponar, A. Danner, M. Ozawa, Y. Hasegawa:
"Neutron optical test of completeness of quantum root-mean-square errors";
npj Quantum Information,
7
(2021),
1
- 6.
St. Sponar, A. Danner, V. Pecile, N. Einsidler, B. Demirel, Y. Hasegawa:
"Experimental test of entropic noise-disturbance uncertainty relations for three-outcome qubit measurements";
Physical Review Research,
3
(2021),
023175-1
- 023175-11.
St. Sponar, R. Sedmik, M. Pitschmann, H. Abele, Y. Hasegawa:
"Tests of fundamental quantum mechanics and dark interactions with low-energy neutrons";
Nature Review Physics,
3
(2021),
309
- 327.
A. Danner, B. Demirel, W. Kersten, H. Lemmel, R. Wagner, St. Sponar, Y. Hasegawa:
"Spin-rotation coupling observed in neutron interferometry";
npj Quantum Information,
6
(2020),
23;
1
- 6.
B. Demirel, St. Sponar, Y. Hasegawa:
"Measurements of Entropic Uncertainty Relations in Neutron Optics";
Applied Sciences,
10
(2020),
1
- 19.
St. Sponar, A. Danner, K. Obigane, S. Hack, Y. Hasegawa:
"Experimental test of tight state-independent preparation uncertainty relations for qubits";
Physical Review A,
102
(2020),
042204-1
- 042204-9.
M. Blaickner, B. Demirel, I. Drevensek-Olenik, M. Fally, P. Flauger, P. Geltenbort, Y. Hasegawa, R. Kurinjimala, M. Licen, C. Pruner, St. Sponar, Y. Tomita, J. Klepp:
"Monte-Carlo simulation of neutron transmission through nanocomposite materials for neutron-optics applications";
Nuclear Instruments & Methods in Physics Research Section A,
916
(2019),
154
- 157.
A. Danner, B. Demirel, St. Sponar, Y. Hasegawa:
"Development and perfomance of a miniaturised spin rotator suitable for neutron interferometer experiments";
Journal of Physics Communications,
3
(2019),
1
- 13.
B. Demirel, St. Sponar, A. Abbott, C. Branciard, Y. Hasegawa:
"Experimental test of an entropic measurement uncertainty relation for arbitrary qubit observables";
New Journal of Physics,
21
(2019),
1
- 11.
W. Kersten, L. Brandl, R. Wagner, C. Huber, F. Bruckner, Y. Hasegawa, D. Süss, St. Sponar:
"Additive-Manufactured and Topology-Optimized Permanent-Magnet Spin Rotator for Neutron Interferometry";
Physical Review Applied,
12
(2019),
014023-1
- 014023-8.
R. Wagner, L. Brandl, W. Kersten, St. Sponar, Y. Hasegawa, C. Huber, F. Bruckner, D. Suess:
"3D printed magnets for neutron spin manipulation";
EPJ Web of Conferences,
219
(2019),
1
- 5.
T. Denkmayr, J. Dressel, H. Geppert, Y. Hasegawa, St. Sponar:
"Weak values from strong interactions in neutron interferometry";
Physica B: Condensed Matter,
0
(2018),
1
- 8.
H. Geppert, T. Denkmayr, St. Sponar, H. Lemmel, T. Jenke, Y. Hasegawa:
"Multifold paths of neutrons in the three-beam interferometer detected by a tiny energy kick";
Physical Review A,
97
(2018),
052111-1
- 052111-7.
T. Denkmayr, H. Geppert, H. Lemmel, M. Waegell, J. Dressel, Y. Hasegawa, St. Sponar:
"Experimental Demonstration of Direct Path State Characterization by Strongly Measuring Weak Values in a Matter-Wave Interferometer";
Physical Review Letters,
118
(2017),
010402-1
- 010402-5.
M. Waegell, T. Denkmayr, H. Geppert, D. Ebner, T. Jenke, Y. Hasegawa, St. Sponar, J. Dressel, J. Tollaksen:
"Confined contextuality in neutron interferometry: Observing the quantum pigeonhole effect";
Physical Review A,
96
(2017),
052131-1
- 052131-8.
B. Demirel, St. Sponar, G. Sulyok, M. Ozawa, Y. Hasegawa:
"Experimental Test of Residual Error-Disturbance Uncertainty Relations for Mixed Spin-½ States";
Physical Review Letters,
117
(2016),
140402-1
- 140402-5.
St. Sponar, T. Denkmayr, H. Geppert, Y. Hasegawa:
"Fundamental Features of Quantum Dynamics studied in Matter-Wave Interferometry - Spin Weak Values and the Quantum Cheshire-Cat";
Atoms,
4
(2016),
1
- 15.
B. Demirel, St. Sponar, Y. Hasegawa:
"Measurement of the spin-rotation coupling in neutron polarimetry";
New Journal of Physics,
17
(2015),
023065-1
- 023065-7.
B. Demirel, St. Sponar, G. Sulyok, M. Ozawa, Y. Hasegawa:
"Residual error-disturbance uncertainties in successive spin ½ measurements tested in matter-wave optics";
arxiv:quant-ph,
0
(2015),
1511.03462;
9 pages.
Y. Hasegawa:
"Uncertainty relation and quantum Cheshire-Cat: studied with neutron polarimeter and interferometer";
Current Science,
109
(2015),
1
- 8.
St. Sponar, T. Denkmayr, H. Geppert, H. Lemmel, A. Matzkin, J. Tollaksen, Y. Hasegawa:
"Weak values obtained in matter-wave interferometry";
Physical Review A,
92
(2015),
062121-1
- 062121-10.
G. Sulyok, St. Sponar, B. Demirel, F. Buscemi, M. Hall, M. Ozawa, Y. Hasegawa:
"Experimental Test of Entropic Noise-Disturbance Uncertainty Relations for Spin-1/2 Measurements";
Physical Review Letters,
115
(2015),
030401-1
- 030401-6.
T. Denkmayr, H. Geppert, St. Sponar, H. Lemmel, A. Matzkin, J. Tollaksen, Y. Hasegawa:
"Observation of a quantum Cheshire Cat in a matter-wave interferometer experiment";
Nature Communications,
0
(2014),
1
- 7.
D. Erdösi, M. Huber, B. Hiesmayr, Y. Hasegawa:
"Tripartite entanglement in single-neutron interferometer experiments";
AIP Conference Proceedings,
1633
(2014),
16
- 18.
H. Geppert, T. Denkmayr, St. Sponar, H. Lemmel, Y. Hasegawa:
"Improvement of the polarized neutron interferometer setup demonstrating violation of a Bell-like inequality";
Nuclear Instruments and Methods in Physics Research A,
763
(2014),
417
- 423.
V. Haan, J. Plomp, A. van Well, M.T. Rekveldt, Y. Hasegawa, R. Dalgliesh, N. Steinke:
"Measurement of gravitation-induced quantum interference for neutrons in a spin-echo spectrometer";
Physical Review A,
89
(2014),
063611-1
- 063611-9.
Y. Hasegawa:
"Investigations of fundamental phenomena in quantum mechanics with neutrons";
Journal of Physics: Conference Series,
504
(2014),
012025-1
- 012025-13.
J. Klepp, St. Sponar, Y. Hasegawa:
"Fundamental phenomena of quantum mechanics explored with neutron interferometers";
Progress of Theoretical and Experimental Physics,
0
(2014),
082A01.
St. Sponar, J. Klepp, C. Schmitzer, H. Bartosik, K. Durstberger-Rennhofer, G. Badurek, Y. Hasegawa:
"Tests of alternative quantum theories with neutrons";
AIP Conference Proceedings,
1633
(2014),
41
- 43.
St. Sponar, G. Sulyok, J. Erhart, Y. Hasegawa:
"Error-disturbance uncertainty relations in neutron-spin measurements";
Advances in High Energy Physics,
2014
(2014),
1
- 6.
H. Böck, Y. Hasegawa, E. Jericha, G. Steinhauser, M. Villa:
"The past and the future of the TRIGA reactor Vienna";
Journal of Energy and Power Engineering,
7
(2013),
654
- 660.
More information
D. Erdösi, M. Huber, C. Hiesmayr, Y. Hasegawa:
"Proving the Generation of Genuine Multipartite Entanglement in a Single-Neutron Interferometer Experiment";
New Journal of Physics,
15
(2013),
0233033-1
- 0233033-10.
G. Sulyok, St. Sponar, J. Erhart, G. Badurek, M. Ozawa, Y. Hasegawa:
"Violation of Heisenberg's error-disturbance uncertainty relation in neutron-spin measurements";
Physical Review A,
88
(2013),
022110-1
- 022110-15.
J. Erhart, St. Sponar, G. Sulyok, G. Badurek, M. Ozawa, Y. Hasegawa:
"Experimental demonstration of a universally valid error-disturbance uncertainty relation in spin measurements";
Nature Physics,
8
(2012),
185
- 189.
Y. Hasegawa:
"Entanglement between degrees of freedom in a single-particle system revealed in neutron interferometry";
Foundations of Physics,
42
(2012),
29
- 45.
Y. Hasegawa:
"Offence and defence around the uncertainty relation";
Parity Japan,
27
(2012),
44
- 48.
Y. Hasegawa:
"Quantum interference with neutrons";
Suri-Kagaku (Mathematical Science),
585
(2012),
42
- 48.
Y. Hasegawa:
"Uncertainity relation studied with neutrons";
Nihon Butsuri Gakkai,
67
(2012),
398
- 402.
Y. Hasegawa, C. Schmitzer, H. Bartosik, J. Klepp, St. Sponar, K. Durstberger-Rennhofer, G. Badurek:
"Falsification of Leggett's model using neutron matter waves";
New Journal of Physics,
14
(2012),
023039.
St. Sponar, J. Klepp, K. Durstberger-Rennhofer, C. Schmitzer, H. Bartosik, H. Geppert, M. Both, G. Badurek, Y. Hasegawa:
"High-efficiency manipulations of triply entangled states in neutron polarimetry";
New Journal of Physics,
14
(2012),
053032.
Y. Hasegawa, H. Rauch:
"Quantum phenomena explored with neutrons";
New Journal of Physics,
13
(2011),
115010.
Y. Hasegawa, K. Durstberger-Rennhofer, St. Sponar, H. Rauch:
"Kochen-Specker theorem studied with neutron interferometer";
Nuclear Instruments and Methods in Physics Research A,
234
(2010),
521
- 524.
More information
Y. Hasegawa, R. Loidl, G. Badurek, K. Durstberger-Rennhofer, St. Sponar, H. Rauch:
"Engineering of triply entangled states in a single-neutron system";
Physical Review A,
81
(2010),
032121-1-6.
More information
St. Sponar, J. Klepp, K. Durstberger-Rennhofer, R. Loidl, S. Filipp, M. Lettner, R. Bertlmann, G. Badurek, H. Rauch, Y. Hasegawa:
"New aspects of geometric phases in experiments with polarized neutrons";
Journal of Physics A: Mathematical and Theoretical,
43
(2010),
354015.
More information
St. Sponar, J. Klepp, R. Loidl, S. Filipp, K. Durstberger-Rennhofer, R. Bertlmann, G. Badurek, H. Rauch, Y. Hasegawa:
"Geometric phase in entangled systems: A single-neutron interferometer experiment";
Physical Review A,
81
(2010),
042113-1-10.
More information
St. Sponar, J. Klepp, C. Zeiner, G. Badurek, Y. Hasegawa:
"Violation of a Bell-like inequality for spin-energy entanglement in neutron polarimetry";
Physics Letters A,
374
(2010),
431
- 434.
G. Sulyok, Y. Hasegawa, J. Klepp, H. Lemmel, H. Rauch:
"Noise-induced dephasing in neutron interferometry";
Physical Review A,
81
(2010),
053609-1-8.
More information
H. Bartosik, J. Klepp, C. Schmitzer, St. Sponar, A. Cabello, H. Rauch, Y. Hasegawa:
"Experimental test of quantum contextuality in neutron interferometry";
Physical Review Letters,
103
(2009),
040403-1
- 040403-4.
S. Filipp, J. Klepp, Y. Hasegawa, C. Plonka-Spehr, U. Schmidt, P. Geltenbort, H. Rauch:
"Experimental Demonstration of the Stability of Berry´s Phase for a Spin-1/2 Particle";
Physical Review Letters,
102
(2009),
030404;
030404-1
- 030404-4.
More information
S. Filipp, J. Klepp, C. Plonka-Spehr, U. Schmidt, P. Geltenbort, Y. Hasegawa, H. Rauch:
"Characterization of a new ultra-cold neutron storage setup for arbitrary 3D-spin control";
Nuclear Instruments and Methods in Physics Research A,
598
(2009),
571
- 577.
More information
Y. Hasegawa, G. Badurek, S. Filipp, J. Klepp, R. Loidl, St. Sponar, H. Rauch:
"Entanglement between degrees of freedom of single-neutrons";
Nuclear Instruments and Methods in Physics Research A,
611
(2009),
310
- 313.
A. Cabello, S. Filipp, H. Rauch, Y. Hasegawa:
"Proposed Experiment for Testing Quantum Contextuality with Neutrons";
Physical Review Letters,
100
(2008),
130404;
130404-1
- 130404-4.
More information
J. Klepp, St. Sponar, S. Filipp, M. Lettner, G. Badurek, Y. Hasegawa:
"Observation of Nonadditive Mixed-State Phases with Polarized Neutrons";
Physical Review Letters,
101
(2008),
150404;
150404-1
- 150404-4.
More information
St. Sponar, J. Klepp, G. Badurek, Y. Hasegawa:
"Zero-field and Larmor spinor precessions in a neutron polarimeter experiment";
Physics Letters A,
372
(2008),
3153
- 3156.
More information
St. Sponar, J. Klepp, R. Loidl, S. Filipp, G. Badurek, Y. Hasegawa, H. Rauch:
"Coherent energy manipulation in single-neutron interferometry";
Physical Review A,
78
(2008),
061604;
061604-1
- 061604-4.
More information
Y. Hasegawa, R. Loidl, G. Badurek, S. Filipp, J. Klepp, H. Rauch:
"Evidence for entanglement and full tomographic analysis of Bell states in a single-neutron system";
Physical Review A,
76
(2007),
052108-1
- 052108-6.
More information
G. Badurek, P. Facchi, Y. Hasegawa, Z. Hradil, S. Pascacio, H. Rauch, J. Rehacek, T. Yoneda:
"Neutron wave-packet tomography";
Physical Review A,
73
(2006),
032110-1
- 032110-6.
More information
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"State Space Geometry of a Double-Loop Interferometer";
Acta Phys. Hung. B,
26
(2006),
1-2;
173
- 180.
More information
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Quantum Contextuality in a Single-Neutron Optical Experiment";
Physical Review Letters,
97
(2006),
23040-1
- 23040-4.
Y. Hasegawa, R. Loidl, G. Badurek, S. Filipp, J. Klepp, H. Rauch:
"Quantum Contextuality Induced by Spin-Path Entanglement in Single-Neutrons";
Acta Phys. Hung. B,
26
(2006),
1/2;
157
- 164.
Y. Hasegawa, R. Loidl, M. Baron, G. Badurek, H. Rauch:
"Quantum contextuality in neutron interferometer experiments";
Physica B: Condensed Matter,
385-386
(2006),
1377
- 1380.
More information
H. Rauch, M. Baron, S. Filipp, Y. Hasegawa, H. Lemmel, R. Loidl:
"Hidden observables in neutron quantum interferometry";
Physica B: Condensed Matter,
385-386
(2006),
1359
- 1364.
More information
St. Sponar, J. Klepp, Y. Hasegawa, E. Jericha, G. Badurek:
"Non-Cyclic Geometric Phases in Mixed State Neutron Polarimetry";
Acta Phys. Hung. B,
26
(2006),
1-2;
165
- 171.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Noncyclic geometric phase due to spatial evolution in a neutron interferoemter";
Physical Review A,
72
(2005),
021602-1
- 021602-4.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Spatial Non-Cyclic Geometric Phase in Neutron Interferometry";
Journal of Research of the National Institute of Standards and Technology,
110
(2005),
251
- 257.
J. Klepp, St. Sponar, Y. Hasegawa, E. Jericha, G. Badurek:
"Noncyclic Pancharatnam phase for mixed state SU(2) evolution in neutron polarimetry";
Physics Letters A,
342
(2005),
48
- 52.
R. Bertlmann, K. Durstberger, Y. Hasegawa, C. Hiesmayr:
"Berry phase in entangled systems: A proposed experiment with single neutrons ";
Physical Review A,
69
(2004),
1
- 7.
Y. Hasegawa, G. Badurek, M. Baron, H. Rauch:
"Violation of Bell-type inequality in single-neutron interferometry: quantum contextuality ";
Nuclear Instruments and Methods in Physics Research A,
529
(2004),
182
- 186.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of a Bell-like inequality in neutron optical experiments: quantum contextuality ";
Journal of Optics B - Quantum and Semiclassical Optics,
6
(2004),
7
- 12.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of a Bell-like inequality in single-neutron interferometer experiments: quantum contextuality ";
Journal of Modern Optics,
51
(2004),
6-7;
967
- 972.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Observation of Off-Diagonal Geometric Phases in Polarized-Neutron-Interferometer Experiments ";
Journal of the Physical Society of Japan,
72
(2003),
Suppl. C;
46
- 49.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of a Bell-like Inequality in Neutron-Interferometer Experiments";
Journal of the Physical Society of Japan,
72
(2003),
Suppl. C;
42
- 45.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of a Bell-like inequality in single-neutron interferometry";
Nature,
425
(2003),
45
- 48.
Y. Hasegawa:
"Geometric Phase in Neutron Interferometer Experiments ";
Proceedings of SPIE,
4888
(2002),
41
- 51.
Y. Hasegawa, G. Badurek, H. Rauch, R. Loidl, M. Baron:
"Off-diagonal geometric phase in polarized neutron interferometry ";
Czechoslovak Journal of Physics,
52
(2002),
701
- 707.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, N. Manini, F. Pistolesi, H. Rauch:
"Observation of off-diagonal geometric phases in polarized-neutron-interferometer experiments";
Physical Review A,
65
(2002),
05211101
- 05211110.
Contributions to Books
Y. Hasegawa:
"What does quantum theory tell us? A matter-wave approach";
in: "Quantum [Un]Speakables II",
Springer-Verlag,
2016,
ISBN: 978-3-319-38985-1,
393
- 411.
J. Klepp, St. Sponar, S. Filipp, M. Lettner, G. Badurek, Y. Hasegawa:
"Nonadditive mixed state phase in neutron optics";
in: "Foundations of Probability and Physics - 5",
American Institute of Physics,
New York,
2009,
ISBN: 978-0-7354-0636-0,
314
- 318.
Contributions to Proceedings
St. Sponar, J. Klepp, R. Loidl, K. Durstberger-Rennhofer, H. Geppert, G. Badurek, H. Rauch, Y. Hasegawa:
"Triple Entanglement in Neutron Interferometric and Polarimetric Experiments";
in: "5th European Conference on Neutron Scattering",
Journal of Physics: Conference Series,
2012,
012044-1
- 012044-16.
J. Klepp, St. Sponar, S. Filipp, M. Lettner, G. Badurek, Y. Hasegawa:
"Nonadditivity of Quantum Phases for mixed States";
in: "Proceedings of the Junior Scientist Conference 2008",
Vienna University of Technology,
Wien,
2008,
ISBN: 978-3-200-01612-5,
129
- 130.
More information
E. Jericha, G. Badurek, M. Baron, Y. Hasegawa, M. Jäkel, J. Klepp, A. Rofner, St. Sponar, M. Trinker, M. Villa, H. Rauch:
"Neutron Optics Experiments at the TRIGA Mark II reactor of the Atominstitut Wien";
in: "CD-Proc. of the 2nd World Triga Users Conference",
issued by: Atominstitut Vienna;
Vienna University of Technology,
2004,
8 pages.
Talks and Poster Presentations (with Proceedings-Entry)
H. Böck, Y. Hasegawa, E. Jericha, G. Steinhauser, M. Villa:
"The Past and the Future of the TRIGA Reactor Vienna";
Talk: 20th International Conference Nuclear Energy for New Europe 2011,
Bovec, Slowenien (invited);
2011-09-12
- 2011-09-15; in: "Nuclear Energy for New Europe 2011",
I. Jencic (ed.);
(2012),
ISBN: 978-961-6207-32-4;
Paper ID 402,
9 pages.
More information
K. Durstberger-Rennhofer, R. Bertlmann, Y. Hasegawa, H. Rauch:
"Decoherence, Neutron Interferometry and Geometry";
Poster: 2nd Vienna Symposium on the Foundations of modern Physics 2009 in honour of Daniel Greenberger and Helmut Rauch,
Wien;
2009-06-11
- 2009-06-14; in: "2nd Vienna Symposium on the Foundations of modern Physics 2009 in honour of Daniel Greenberger and Helmut Rauch",
(2009).
Talks and Poster Presentations (without Proceedings-Entry)
A. Danner, K. Obigane, N. Geerits, H. Lemmel, R. Wagner, St. Sponar, Y. Hasegawa:
"Three path quantum Cheshire Cat observed in neutron interferometry";
Keynote Lecture: ÖPG-SPS Jahrestagung 2021,
Innsbruck, Austria;
2021-09-01.
Y. Hasegawa:
"Neutron Interferometer Experiments at Atominstitut: status quo";
Keynote Lecture: Quantum forever, Symposium to honor H. Rauch´s 80th birthday and the designation of the Atominsitut as an EPS historic site (2019),
Vienna, Austria (invited);
2019-05-22.
Y. Hasegawa:
"Quantum Paradox emerging in matter-wave interferometer experiments";
Keynote Lecture: New perspective of weak value and weak measurement (2019),
Tsukuba, Japan (invited);
2019-03-10
- 2019-03-11.
S. Namba, D. Hung, Y. Hasegawa, M. Kishimoto, M. Nishikino, J. Seres, C. Serrat:
"Fully coherent plasma x-ray laser by injection of a parametrically amplified high-order harmonic beam";
Keynote Lecture: 60th Annual Meeting of the APS Division of Plasma Physics (2018),
Portland, USA;
2018-11-05
- 2018-11-09.
A. Danner, B. Demirel, W. Kersten, H. Lemmel, St. Sponar, R. Wagner, Y. Hasegawa:
"Observation of Spin-Rotation Coupling in Neutron Optics";
Keynote Lecture: 681. WE-Heraeus-Seminar on Particle Physics with Cold and Ultra-Cold Neutrons (2018),
Bad Honnef, Germany;
2018-10-24
- 2018-10-26.
St. Sponar, Y. Hasegawa:
"Weak Values & Quantum Paradoxes: Experimental Studies in Neutron Optics";
Keynote Lecture: AAV Anniversary Conference - Celebrating 30 Years of Weak Values,
Chapman University, CA, USA (invited);
2018-04-01
- 2018-04-04.
More information
Y. Hasegawa:
"Quantum Paradox emerging in matter-wave interferometer experiments";
Keynote Lecture: QMNH 2018,
Tsukuba, Japan (invited);
2018-02-21
- 2018-02-22.
Y. Hasegawa:
"Fundamental phenomena in quantum mechanics studied in matter-wave optical setup - Quantum Cheshire-Cat and revised uncertainty relation";
Keynote Lecture: ISNFQC 2018,
Kolkata, India (invited);
2018-01-29
- 2018-02-02.
Y. Hasegawa:
"Fundamental phenomena of quantum mechanics studied with matter-wave (neutron) optical setup";
Keynote Lecture: Seminar Talk,
Budapest, Hungary;
2017-11-29.
Y. Hasegawa:
"Counter-intuitive phenomena in quantum mechanics emerging in matter-wave optical experiments";
Keynote Lecture: 6th International Conference on New Frontiers in physics, Quantum Foundations and Quantum Information (2017),
Crete, Greece (invited);
2017-08-23
- 2017-08-25.
Y. Hasegawa:
"Residual uncertainties: experimental rests of error/noise-disturbance uncertainty relations in various forms";
Keynote Lecture: 35th Quantum Information Technology Symposium (QIT35) (2016),
Tsukuba, Japan (invited);
2016-11-24
- 2016-11-25.
W. Mach, H. Abele, H. Filter, Y. Hasegawa, T. Jenke, H. Lemmel, E. Jericha, G. Konrad, St. Sponar, M. Villa, M. Zawisky:
"Current projects at the Atominstitut";
Poster: NuPECC meeting Mini Workshop Wien (2016),
ÖAW, Wien (invited);
2016-10-07.
Y. Hasegawa:
"Three resources for recent neutron optical investigations";
Keynote Lecture: JQI Workshop (2016),
Maryland, USA (invited);
2016-09-30
- 2016-10-02.
W. Mach, H. Abele, H. Filter, Y. Hasegawa, E. Jericha, G. Konrad, St. Sponar, M. Villa, M. Zawisky:
"Current projects at the Atominstitut";
Poster: Symposium "Future Possible Use of Neutron and Synchrotron Sources",
Graz;
2016-09-15
- 2016-09-16.
More information
Y. Hasegawa:
"Quantum paradoxes emerging in matter-wave interferometer experiments";
Keynote Lecture: International Conference on Concept and paradoxes in a quantum universe (2016),
Waterloo, Canada (invited);
2016-06-20
- 2016-06-24.
Y. Hasegawa:
"Foundation of quantum mechanics studied in matter-wave optics - Quantum Cheshire-Cat and uncertainty relations -";
Keynote Lecture: International Conference on Quantum Physics and Nuclear Engineering 2016,
London, GB (invited);
2016-03-14
- 2016-03-16.
Y. Hasegawa:
"Observability of quantum dynamics via weak values";
Keynote Lecture: KEK Workshop 2016,
Tsukuba, Japan (invited);
2016-02-17
- 2016-02-18.
Y. Hasegawa:
"Foundation of quantum mechanics studied with neutron matter-waves";
Keynote Lecture: IRC Seminar 2016,
Kyoto, Japan;
2016-02-09.
Y. Hasegawa:
"Foundation of quantum mechanics studied with neutron matter-waves";
Keynote Lecture: Applied Physics Seminar 2016,
Sapporo, Japan;
2016-02-08.
Y. Hasegawa:
"Experimental studies of foundation of quantum mechanics";
Keynote Lecture: Nanoscience and quantum physics special seminar 2016,
Tokyo, Japan;
2016-01-28.
Y. Hasegawa:
"Quantum Cheshire-Cat in a double slit experiment with neutrons";
Keynote Lecture: Seminar,
Sapporo, Japan;
2016-01-28.
Y. Hasegawa:
"Weak values in neutron interferometer experiment";
Keynote Lecture: Seminar,
Tsukuba, Japan;
2015-07-15.
Y. Hasegawa:
"Weak-values and quantum Cheshire-cat revealed by matter-wave interferometer experiments";
Keynote Lecture: International Workshop on Weak Value and Weak Measurement,
Tokyo, Japan (invited);
2015-03-19
- 2015-03-20.
Y. Hasegawa:
"Error-disturbance uncertainty relations à la physical and information-theoretical approaches tested with neutrons";
Keynote Lecture: 6th Nagoya Winter Workshop on Reality and Measurement in Algebraic Quantum Theory,
Nagoya, Japan (invited);
2015-03-09
- 2015-03-13.
Y. Hasegawa:
"Foundation of quantum mechanics explored with neutrons";
Keynote Lecture: Seminar,
Nagoya, Japan;
2015-02-20.
Y. Hasegawa:
"Foundation of quantum mechanics explored with neutrons";
Keynote Lecture: Seminar,
Okazaki, Japan;
2015-02-16.
Y. Hasegawa:
"Foundation of quantum mechanics explored with neutrons";
Keynote Lecture: Seminar,
Hiroshima, Japan;
2015-02-13.
Y. Hasegawa:
"Weak values in double-slit experiments with neutrons";
Keynote Lecture: Seminar,
Tsukuba, Japan;
2015-02-03.
Y. Hasegawa:
"Weak values of neutrons in double-slit experiments";
Keynote Lecture: Kick-off Meeting of the integrated science project,
Tokyo, Japan;
2014-11-21.
Y. Hasegawa:
"Counter-intuitive phenomena in quantum mechanics studied with neutrons";
Keynote Lecture: QIT 31,
Sendai, Japan (invited);
2014-11-17
- 2014-11-18.
Y. Hasegawa:
"Fundamental phenomena in quantum mechanics studied with neutrons";
Keynote Lecture: Discussion Meeting on Quantum Measurements,
Bangalore, India (invited);
2014-10-22
- 2014-10-24.
T. Denkmayr, H. Geppert, G. Sulyok, B. Demirel, J. Erhart, St. Sponar, Y. Hasegawa:
"Quantum Cheshire-Cat and uncertainty relation studied with neutrons";
Poster: Quantum [Un]Speakables II: 50 Years of Bell's Theorem,
Vienna, Austria;
2014-06-19
- 2014-06-22.
Y. Hasegawa:
"Quantum Cheshire-cat and weak values investigated with netron's matter waves";
Keynote Lecture: Quantum theory: problems to advances,
Vaxjo, Sweden (invited);
2014-06-09
- 2014-06-12.
Y. Hasegawa:
"Die seltsame Welt der Quantenmechanik: zum Problem der Ergänzung und Erneuerung der Heisenbergsche Unschärferelation und der Stand der gegenwärtigen experimentellen Quantenphysik";
Keynote Lecture: Seminar,
Vienna, Austria;
2014-05-22.
Y. Hasegawa:
"Fundamental phenomena in quantum mechanics revealed by neutron optical experiments";
Keynote Lecture: 5rd Nagoya Winter Workshop on Quantum Information, Measurement, and Quantum Foundations-2014,
Nagoya, Japan (invited);
2014-03-03
- 2014-03-07.
St. Sponar, T. Denkmayr, J. Erhart, H. Geppert, H. Lemmel, A. Matzkin, G. Sulyok, M. Ozawa, Y. Hasegawa:
"Neutron optical Measurements studying Quantum Mechanics";
Keynote Lecture: GRANIT 2014-Workshop,
Les Houches, France;
2014-03-02
- 2014-03-07.
Y. Hasegawa:
"Weak values and quantum Cheshire-Cat in neutron optical experiments";
Keynote Lecture: Nanoscience and quantum physics special seminar-2014,
Tokyo, Japan;
2014-02-27.
Y. Hasegawa:
"Neutron optical studies of fundamental phenomena in quantum mechanics";
Keynote Lecture: Seminar,
Nagoya, Japan;
2014-02-20.
Y. Hasegawa:
"Neutron optical studies of fundamental phenomena of quantum mechanics";
Keynote Lecture: Symposium "Research at European Neutron and Synchrotron facilities",
Vienna, Austria;
2013-11-11
- 2013-11-12.
Y. Hasegawa:
"Neutron optical studies of fundamental phenomena of quantum mechanics";
Keynote Lecture: EmQM13,
Vienna, Austria (invited);
2013-10-03
- 2013-10-06.
St. Sponar, G. Sulyok, J. Erhart, G. Badurek, M. Ozawa, Y. Hasegawa:
"Violation of Heisenberg's Error-Disturbance Uncertainty Relation in Neutron Spin Measurements";
Poster: International Conference on Neutron Scattering ICNS2013,
Edinburgh, GB;
2013-07-09
- 2013-07-14.
Y. Hasegawa:
"Beyond Heisenberg's uncertainty principle: error-disturbance uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: Physics Colloquium,
Munich, Germany;
2013-05-21.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: Physics Colloquium,
Okayama, Japan;
2013-02-25.
Y. Hasegawa:
"Optical studies of intra-partite entanglement in neutrons";
Keynote Lecture: Fourth Nagoya Winter Workshop on Quantum Information 2013,
Nagoya, Japan (invited);
2013-02-18
- 2013-03-22.
Y. Hasegawa:
"Violation of Heisenberg's uncertainty relation found with neutrons";
Keynote Lecture: UNVJ (United Nation in Vienna, Japanese community) Seminar,
Vienna, Austria;
2012-10-19.
St. Sponar, G. Sulyok, J. Erhart, J. Klepp, C. Schmitzer, H. Geppert, K. Durstberger-Rennhofer, G. Badurek, M. Ozawa, Y. Hasegawa:
"Foundations of Quantum Mechanics explored with Neutrons";
Talk: Quantum Africa 2,
Mont aux Sources Hotel, Northern Drakensberg, Südafrika;
2012-09-03
- 2012-09-07.
More information
D. Erdösi, Y. Hasegawa:
"Violation of a Bell-like inequality";
Poster: QCMC 2012 Intl. Conference on Quantum Communication, Measurement and Computing,
Wien;
2012-07-30
- 2012-08-03.
Y. Hasegawa:
"Error-disturbance uncertainty relation studied in successive spin-measurements";
Keynote Lecture: QCMC 2012 Intl. Conference on Quantum Communication, Measurement and Computing,
Wien;
2012-07-30
- 2012-08-03.
St. Sponar, J. Klepp, R. Loidl, C. Schmitzer, H. Bartosik, K. Durstberger-Rennhofer, H. Rauch, Y. Hasegawa:
"Alternative Theories of Quantum Mechanics studied with Neutrons";
Poster: QCMC 2012,
Vienna, Austria;
2012-07-30
- 2012-08-03.
St. Sponar, J. Klepp, C. Schmitzer, H. Bartosik, K. Durstberger-Rennhofer, H. Rauch, Y. Hasegawa:
"Tests of alternative quantum theories with neutrons";
Poster: QCMC 2012 Intl. Conference on Quantum Communication, Measurement and Computing,
Wien;
2012-07-30
- 2012-08-03.
Y. Hasegawa:
"Error-disturbance uncertainty relation studied in successive spin-measurements";
Keynote Lecture: Quantum Theory: Reconsideration of Foundations-6 (QTRF-6),
Växjö, Sweden (invited);
2012-06-11
- 2012-06-14.
Y. Hasegawa:
"Neutron optical tests of fundamental issues in quantum mechanics";
Keynote Lecture: 7th Conference on theory of quantum computation, communication and cryptography (TQC),
Tokyo, Japan (invited);
2012-05-17
- 2012-05-19.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: Physics Seminar,
Kyushu, Japan;
2012-05-15.
Y. Hasegawa:
"Uncertain relation studied in neutron's successive spin-measurements";
Keynote Lecture: COST-Meeting,
Msida, Malta;
2012-04-24
- 2012-04-27.
St. Sponar, H. Lemmel, H. Rauch, Y. Hasegawa:
"Foundations of Quantum Mechanics explored with Neutrons";
Poster: Science & Scientists @ ESS 2012,
Berlin, Germany;
2012-04-19
- 2012-04-20.
Y. Hasegawa:
"Neutron optical tests of fundamental issues in quantum mechanics";
Keynote Lecture: KEK Workshop, Recent Issues and Prospects on Quantum Theory,
Tsukuba, Japan (invited);
2012-03-16
- 2012-03-17.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: COE Seminar,
Kyoto, Japan;
2012-02-21.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: Physics Seminar,
Osaka, Japan;
2012-02-20.
Y. Hasegawa:
"Neutron optical tests of fundamental issues in quantum mechanics";
Keynote Lecture: 3rd Nagoya Winter Workshop on Quantum Information, Measurement and Quantum Foundations,
Nagoya, Japan (invited);
2012-02-14
- 2012-02-17.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: COE Seminar,
Tokyo, Japan;
2012-02-08.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: Innovation and NISHINA-Center Seminar,
Saitama, Japan;
2012-02-07.
Y. Hasegawa:
"Uncertainty relation studied in neutron's successive spin-measurements";
Keynote Lecture: J-PARC Seminar,
Tokai, Japan;
2012-02-06.
Y. Hasegawa, K. Durstberger-Rennhofer, D. Erdösi, J. Erhardt, J. Klepp, H. Lemmel, St. Sponar, G. Sulyok, H. Rauch:
"Foundation of Quantum Mechanics Explored with Neutrons";
Poster: 5th European Conference on Neutron Scattering,
Prague, Czech Republic;
2011-07-17
- 2011-07-22.
H. Lemmel, Y. Hasegawa, H. Rauch:
"Entanglement features in interferometer and spin-echo experiments";
Poster: 5th European Conference on Neutron Scattering,
Prague, Czech Republic;
2011-07-17
- 2011-07-22.
St. Sponar, J. Klepp, R. Loidl, S. Filipp, D. Erdösi, K. Durstberger-Rennhofer, R. Bertlmann, G. Badurek, H. Rauch, Y. Hasegawa:
"Multi-Entanglement in Neutron Interferometry Experiments";
Talk: 5th European Conference on Neutron Scattering,
Prague, Czech Republic;
2011-07-17
- 2011-07-22.
K. Durstberger-Rennhofer, C. Schmitzer, H. Bartosik, J. Klepp, St. Sponar, G. Badurek, Y. Hasegawa:
"Falsification of Leggett's model using neutron matter waves";
Talk: Jahrestagung der ÖPG,
Lausanne, Switzerland;
2011-06-15.
St. Sponar, J. Klepp, C. Schmitzer, H. Bartosik, M. Both, H. Geppert, K. Durstberger-Rennhofer, G. Badurek, Y. Hasegawa:
"Entanglement in Neutron Poarimetric Experiments";
Talk: ÖPG Jahrestagung 2011,
Lausanne, Switzerland;
2011-06-15.
J. Erhart, St. Sponar, G. Sulyok, G. Badurek, M. Ozawa, Y. Hasegawa:
"A universally valid uncertainty relation demonstrated by successive spin-measurements";
Poster: 2011 Einsteins in the City,
New York, USA;
2011-04-14
- 2011-04-15.
J. Erhart, St. Sponar, G. Sulyok, G. Badurek, M. Ozawa, Y. Hasegawa:
"Experimental confirmation of a universally valid uncertainty relation for error and disturbance in spin-measurements";
Poster: NESY Winterschool,
Planneralm, Austria;
2011-03-06
- 2011-03-12.
Y. Hasegawa:
"Quantum mechanics studied with polarized neutrons";
Talk: PRESTO Workshop,
Tokyo, Japan;
2010-12-06
- 2010-12-07.
J. Erhart, St. Sponar, G. Sulyok, G. Badurek, M. Ozawa, Y. Hasegawa:
"Experimental confirmation of a universally valid uncertainty relation for error and disturbance in spin-measurements";
Poster: 14. Deutsche Physikerinnentagung 2010,
München, Germany;
2010-11-04
- 2010-11-07.
Y. Hasegawa, H. Lemmel:
"High precision neutron interferometer setup S18b";
Talk: ILL Vision 2010,
Grenoble, Frankreich;
2010-09-15
- 2010-09-17.
J. Erhart, St. Sponar, G. Sulyok, G. Badurek, M. Ozawa, Y. Hasegawa:
"Experimental confirmation of a universally valid uncertainty relation for error and disturbance in spin-measurements";
Poster: 60. Jahrestagung der Österreichischen Physikalischen Gesellschaft (ÖPG),
Salzburg;
2010-09-07.
Y. Hasegawa:
"Quantum mechanics studied with polarized neutrons";
Talk: Polarized Neutrons in Condensed Matter Investigations,
Delft, Netherlands;
2010-07-05
- 2010-07-08.
K. Durstberger-Rennhofer, Y. Hasegawa:
"Quantum physics with neutrons - theory & experiment";
Talk: Workshop in honor of Reinhold Bertlmann,
Puchberg am Schneeberg;
2010-06-25
- 2010-06-27.
K. Durstberger-Rennhofer, G. Sulyok, Y. Hasegawa, H. Rauch:
"Entanglement and decoherence within neutron interferometry";
Poster: Frontiers in Matter Wave Optics,
Kreta;
2010-04-06
- 2010-04-11.
Y. Hasegawa:
"Optical studies of entanglements in a single-particle system";
Talk: FOMO 2010,
Kreta (invited);
2010-04-06
- 2010-04-11.
Y. Hasegawa:
"Quantum contextuality studied with neutrons --- Kochen-Specker theorem";
Talk: Neutron Optics, NOP 2010,
Alpe d'Huez, France;
2010-03-17
- 2010-03-19.
Y. Hasegawa:
"Quantum Mechanical Phenomena Studied with Neutrons";
Talk: Nagoya Winter Workshop on Quantum Information, Measurement, and Quantum Foundations,
Nagoya University, Nagoya (invited);
2010-02-18
- 2010-02-24.
Y. Hasegawa:
"Quantum optical phenomena studied with neutrons";
Talk: NII Seminar, National Institute of informatics,
Tokyo (invited);
2010-02-15.
Y. Hasegawa:
"Quantum Optical Phenomena Studied with Neutrons"";
Talk: Neutrino, Neutron, Nuclear, Medical and Muon Physics at ESS,
Lund (invited);
2009-12-02
- 2009-12-04.
Y. Hasegawa:
"Quantum contextuality and Kochen-Specker phenomena studied by neutrons";
Talk: ILL College 3 Seminar,
Grenoble;
2009-11-10.
St. Sponar, J. Klepp, S. Fillip, R. Loidl, K. Durstberger-Rennhofer, R. Bertlmann, Y. Hasegawa, G. Badurek, H. Rauch:
"Berry Phase in Entangled Systems: A Single-Neutron Interferometer Experiment";
Talk: 16. Meeting Nonlocal Seminar,
Vienna, Austria;
2009-07-01.
Y. Hasegawa, G. Badurek, J. Klepp, R. Loidl, St. Sponar, H. Rauch:
"Neutron as a quantum system: exploring multi-entanglement in a single-neutron system";
Poster: 3rd Vienna symposium on the Foundation of Modern Physics,
Wien;
2009-06-11
- 2009-06-14.
J. Klepp, St. Sponar, H. Bartosik, S. Filipp, H. Rauch, C. Schmitzer, Y. Hasegawa:
"Quantum eraser and complementarity in neutron optics";
Poster: 3rd Vienna symposium on the Foundation of Modern Physics,
Wien;
2009-06-11
- 2009-06-14.
St. Sponar, J. Klepp, R. Loidl, S. Filipp, K. Durstberger-Rennhofer, R. Bertlmann, Y. Hasegawa, H. Rauch:
"Berry phase in entangled system: a single-neutron interferometer experiment";
Poster: 3rd Vienna symposium on the Foundation of Modern Physics,
Wien;
2009-06-11
- 2009-06-14.
G. Sulyok, H. Rauch, Y. Hasegawa, J. Klepp, H. Lemmel:
"Decoherence in the neutron interferometer";
Poster: 3rd Vienna symposium on the Foundation of Modern Physics,
Wien;
2009-06-11
- 2009-06-14.
Y. Hasegawa:
"Wave optics with neutrons";
Talk: Special cooperative program Meeting `Fundamental physics and small angle scattering using neutrons´,
Tokai (invited);
2009-01-06
- 2009-01-07.
Y. Hasegawa, G. Badurek, S. Filipp, J. Klepp, R. Loidl, St. Sponar, H. Rauch:
"Multi-entanglement in a single-neutron system";
Poster: 4th American Conference on Neutron Scattering (ACNS2008),
Santa Fe, USA;
2008-05-11
- 2008-05-15.
S. Filipp, Y. Hasegawa, H. Rauch:
"Doubts that it works";
Talk: Joint Workshop on Tailoring neutron beams at small and medium sized neutron sources & Neutronanti-bunching,
Atominstitut Wien;
2008-03-06
- 2008-03-08.
Y. Hasegawa, S. Filipp, H. Rauch:
"Intensity correlations with x-rays";
Talk: Joint Workshop on Tailoring neutron beams at small and medium sized neutron sources & Neutronanti-bunching,
Atominstitut Wien;
2008-03-06
- 2008-03-08.
J. Klepp, St. Sponar, G. Badurek, S. Filipp, E. Jericha, M. Leitner, Y. Hasegawa:
"Observation of mixed state phase using neutron polarimetry";
Talk: Fachausschusstagung, ÖPG, Kern- und Teilchenphysik,
Schloss Haindorf/Langenlois;
2007-09-25.
R. Loidl, J. Klepp, St. Sponar, S. Filipp, G. Badurek, H. Rauch, Y. Hasegawa:
"Violation of Mermnin´s inequality for GHZ states in neutron interferometry";
Talk: Fachausschusstagung, ÖPG, Kern- und Teilchenphysik,
Schloss Haindorf/Langenlois;
2007-09-25.
St. Sponar, J. Klepp, S. Filipp, G. Badurek, H. Rauch, Y. Hasegawa:
"Coherent manipulationfor multi-entanglement of neutrons";
Talk: Fachausschusstagung, ÖPG, Kern- und Teilchenphysik,
Schloss Haindorf/Langenlois;
2007-09-25.
H. Rauch, S. Filipp, Y. Hasegawa:
"Neutron Quantum Optics";
Talk: 4th European Conference on Neutron Scattering,
Lund (Schweden);
2007-06-25
- 2007-06-29.
S. Filipp, Y. Hasegawa, H. Rauch:
"Geometric Phases in Neutron Optics";
Talk: SFB-ADLIS Workshop 2007,
Schloss Goldegg, Salzburg;
2007-02-25.
S. Filipp, Y. Hasegawa, H. Rauch:
"Phases and Entanglement in Neutron Interference Experiments";
Talk: Conf. on Quantum Mechanics: From Fundamental Problems to Applications,
Bertinoro (Italy);
2006-12-07.
J. Klepp, St. Sponar, Y. Hasegawa, S. Filipp, M. Lettner, E. Jericha, G. Badurek:
"Observation of geometric mixed state phase using neutron polarimetry";
Poster: Quantum Mechanics: From Fundamental Problems to Applications,
Bertinoro (Italy);
2006-12-05.
Y. Hasegawa, H. Rauch:
"Spin-Path Entanglement in Neutron Interferometer Experiments";
Talk: Int. Conf. Theoretical and Experimental Foundations of recent Quantum Technologies,
Durban (South Africa);
2006-07-10
- 2006-07-14.
Y. Hasegawa, R. Loidl, G. Badurek, S. Filipp, J. Klepp, H. Rauch:
"Quantum contextuality induced by spin-path entanglement in single-neutrons";
Talk: 13th European Workshop on Quantum Optics,
Wien;
2006-05-23
- 2006-05-27.
St. Sponar, J. Klepp, Y. Hasegawa, E. Jericha, G. Badurek:
"Non-cyclic geometric phases in mixed state neutron polarimetry";
Poster: 13th European Workshop on Quantum Optics,
Wien;
2006-05-23
- 2006-05-27.
Y. Hasegawa, G. Badurek, M. Baron, S. Filipp, J. Klepp, R. Loidl, H. Rauch:
"Spin-Path Entanglement in Neutron Interferometer Experiments";
Poster: The ILL Millenium Symposium,
Grenoble (France);
2006-04-27
- 2006-04-29.
R. Loidl, G. Badurek, M. Baron, F. Dubus, S. Filipp, Y. Hasegawa, J. Klepp, E. Jericha, H. Lemmel, M. Trinker, M. Zawisky, H. Rauch:
"Interferometer and USANS Instrument S18";
Poster: The ILL Millenium Symposium,
Grenoble (France);
2006-04-27
- 2006-04-29.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Noncyclic geometric phase due to spatial evolution in a neutron";
Talk: SFB Quantum Control and Measurement Meeting,
Innsbruck (Österreich);
2006-01-26
- 2006-01-27.
Y. Hasegawa, R. Loidl, M. Baron, G. Badurek, H. Rauch:
"Quantum contextuality in neutron interferometer experiments";
Talk: Int. Conf. Neutron Scattering - ICNS2005,
Sydney (Australia);
2005-11-27
- 2005-12-02.
H. Rauch, M. Baron, Y. Hasegawa, H. Lemmel, R. Loidl:
"Hidden observables in quantum neutron interferometry";
Talk: Int. Conf. Neutron Scattering - ICNS2005,
Sydney (Australia);
2005-11-27
- 2005-12-02.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Spatial Geometric Phase in Neutron Interferometry";
Talk: Non-local Seminar,
Bratislav (Slowakei);
2005-11-18.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Recent experiments on geometric phase measurements with neutrons";
Talk: 55. Jahrestagung der Österr. Physikalischen Gesellschaft,
Wien (Österreich);
2005-10-27.
S. Filipp, Y. Hasegawa, R. Loidl, H. Rauch:
"Spatial Geometric Phase in Neutron Interferometry and Decoherence Properties";
Poster: Workshop on Noise and Instabilities in Quantum Mechanics,
Trieste (Italy);
2005-10-05.
Y. Hasegawa, R. Loidl, S. Filipp, J. Klepp, H. Rauch:
"Quantum state tomography of neutrons";
Talk: ÖPG Jahrestagung 2005,
Univ. Wien (Österreich);
2005-09-27
- 2005-09-29.
St. Sponar, J. Klepp, Y. Hasegawa, E. Jericha, G. Badurek:
"Noncyclic mixed state phase in SU(2) neutron polarimetric experiments";
Poster: 55. Jahrestagung der Österr. Physikalischen Gesellschaft,
Univ. Wien (Österreich);
2005-09-27
- 2005-09-29.
S. Filipp, Y. Hasegawa, H. Rauch:
"Stability of the Geometric Phase - Potential Experimental Realization";
Talk: EDM-Collaboration Meeting,
ILL Grenoble (France);
2005-07-09.
S. Filipp, Y. Hasegawa, R. Loidl, E. Sjöqvist, H. Rauch:
"Quantum Geometric Phase: Off-diagonal Extensions, Neutron Interferometry and Decoherence";
Talk: Einsteins in the City - Junior Research Conference,
City College New York, New York (USA);
2005-04-11.
S. Filipp, Y. Hasegawa, R. Loidl, E. Sjöqvist, D.M. Tong, H. Rauch:
"Quantum Geometric Phase: Off-diagonal Extensions, Neutron Interferometry and Decoherence";
Poster: Obergurgl Meeting - 2005,
Obergurgl (Österreich);
2005-03-04.
M. Baron, R. Loidl, G. Badurek, F. Dubus, S. Filipp, Y. Hasegawa, E. Jericha, H. Lemmel, M. Trinker, M. Zawisky, H. Rauch:
"The Interferometer and USANS Instrument S18 at the ILL, Grenoble, France";
Poster: Hearing Spezialforschungsbereich "Control and Measurement of Coherent Quantum Systems",
Innsbruck (Österreich);
2005-01-18.
S. Filipp, Y. Hasegawa, R. Loidl, E. Sjöqvist, D.M. Tong, H. Rauch:
"Quantum Geometric Phase: Off-diagonal Extensions, Neutron Interferometry and Decoherence";
Poster: SFB - Quantum Control and Measurement - Hearing,
Innsbruck (Österreich);
2005-01-18.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Quantum contextuality in neutron interferometry";
Poster: Hearing Spezialforschungsbereich "Control and Measurement of Coherent Quantum Systems",
Innsbruck (Österreich);
2005-01-18.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of a Bell-type inequality in Single-Neutron Interferometry ";
Poster: Symposium on Quantum Information Processing 2004,
Hitotsubashi Hall, Tokyo (Japan);
2004-12-20
- 2004-12-21.
J. Klepp, St. Sponar, Y. Hasegawa, E. Jericha, G. Badurek:
"Noncyclic mixed state phase in SU(2) neutron polarimetry";
Poster: 54. Jahrestagung der Österr. Physikalischen Gesellschaft (ÖPG),
Linz (Österreich);
2004-09-28
- 2004-09-30.
Y. Hasegawa, S. Filipp, H. Rauch:
"Non-cyclic Geometric Phase due to Spatial Evolution in a Neutron Interferometer";
Talk: Fachausschusstagung, ÖPG, Kern- und Teilchenphysik,
Weyer (Österreich);
2004-09-26
- 2004-09-28.
E. Jericha, G. Badurek, M. Baron, Y. Hasegawa, M. Jäkel, J. Klepp, A. Rofner, St. Sponar, M. Trinker, M. Villa, H. Rauch:
"Neutron Optics Experiments at the TRIGA Mark II reactor of the Atominstitut Wien";
Talk: 2nd World TRIGA Users Conf.,
TU Wien (Österreich);
2004-09-15
- 2004-09-18.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Quantum Contextuality in Neutron Interferometry ";
Poster: New Frontiers in Quantum Theory and Measurement,
Schloss Reisensburg, Günzburg (Deutschland);
2004-09-01
- 2004-09-05.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Quantum Contextuality in Neutron Interferometry: violation of a Bell.like Inequality with Single-Neutrons";
Talk: 333th Int. W. und E. Heraeus Seminar on New Frontiers in Quantum Theory and Measurement,
Schloss Reisenburg, Günzburg (Deutschland);
2004-09-01
- 2004-09-05.
S. Filipp, Y. Hasegawa, H. Rauch:
"Spatial non-cyclic geometric phase in neutron interferometry";
Talk: Int. Conf. Precision Measurements with Slow Neutrons,
NIST, Gaithersburg (USA);
2004-04-05
- 2004-04-07.
Y. Hasegawa:
"Quantum Contextuality in Single-Neutron Interferoemter Experiments";
Talk: Precision Measurements with slow neutrons,
NIST Gaithersburg, MD (USA);
2004-04-05
- 2004-04-07.
Y. Hasegawa:
"Quantum Contextuality in Neutron Interferometer Experiments ";
Talk: Seminar am Hahn-Meitner Institut,
Berlin (Deutschland);
2004-02-04.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of Bell-type inequality in single-neutron interferometry: quantum contextuality";
Poster: Int. Conf. on Neutron Optics , NOP 2004,
Tokyo (Japan);
2004-01-12
- 2004-01-16.
Y. Hasegawa:
"Quantum Contextuality in Neutron Interferometer Experiments ";
Talk: COE Seminar,
Inst. of Technology, Tokyo (Japan);
2004-01-06.
Y. Hasegawa:
"Violation of a Bell-like Inequality in SIngle-Neutron Interferometer Experiments: Quantum Contextuality ";
Talk: Seminarvortrag am Atominstitut,
Wien;
2003-12-01.
S. Filipp, Y. Hasegawa, H. Rauch:
"Split-beam experiment to test the non-cyclic spatial geometric phase ";
Talk: Seminarvortrag am Atominstitut,
Wien;
2003-11-23.
Y. Hasegawa:
"Violation of a Bell-like Inequality in Single-Neutron Interferometer Experiments ";
Talk: FAKT 2003 (Österr. Physikal. Gesellschaft),
Wolfgangsee, Oberösterreich;
2003-10-03
- 2003-10-04.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of Bell-like inequality in single-neutron interferometry ";
Poster: Fachausschusstagung ÖPG, Physik an Neutronen u.Synchrotron....,
Salzburg (Österreich);
2003-10-01
- 2003-10-02.
Y. Hasegawa:
"Violation of Bell-like Inequality with neutrons: quantum contextuality ";
Talk: Mysteries, Puzzles and Paradoxes in Quantum Mechanics 2003,
Gargnano, Gardasee (Italy);
2003-09-01
- 2003-09-05.
Y. Hasegawa:
"Stopped Light";
Talk: SFB Meeting,
Wien;
2003-05-23.
Y. Hasegawa:
"Violation of Bell-Type Inequality in Single-Neutron Interferometry";
Talk: 10th. Central-European Workshop on Quantum Optics,
Rostock-Warnemünde (Deutschland);
2003-04-04
- 2003-04-07.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Violation of Bell-Type Inequality in Single-Neutron Interferometry ";
Talk: Obergurgl Meeting 2003,
Obergurgl, Tirol;
2003-02-23
- 2003-03-01.
Y. Hasegawa:
"Quantum Contextuality in Neutron Interferometer Experiments ";
Talk: Seminarvortrag - Inst. of Physical and Chemical Research,
Riken (Japan);
2003-01-17.
Y. Hasegawa:
"Violation of Bell-Type Inequality in Single-Neutron Interferometry";
Talk: Waseda Int. Symp. on Fundamental Physics,,
Tokyo (Japan);
2002-11-12
- 2002-11-15.
Y. Hasegawa, R. Loidl, G. Badurek, M. Baron, H. Rauch:
"Observation of Off-Diagonal Geometric Phases in Polarized-Neutron-Interferometer Experiments ";
Poster: Waseda Int. Symp. on Fundamental Physics,,
Tokyo (Japan);
2002-11-12
- 2002-11-15.
Y. Hasegawa, H. Rauch, G. Badurek, M. Baron, R. Loidl:
"Measurement of Topological Neutron Quantum Phases ";
Talk: Fachausschusstagung ÖPG, Quantenelektronik, Elektrodynamik und Optik,
Leoben (Österreich);
2002-09-24.
Habilitation Theses
Y. Hasegawa:
"Quantum Optical Experiments with Neutrons ";
TU Wien, Atominstitut der Österr. Universitäten,
2004.
Doctor's Theses (authored and supervised)
B. Demirel:
"Neutron optical experiments studying uncertainty relations of fundamental quantum measurements";
Supervisor, Reviewer: Y. Hasegawa;
Atominstitut,
2018;
oral examination: 2018-06.
St. Sponar:
"Multi-Entanglement in Neutron Interferometric and Polarimetric Experiments";
Supervisor, Reviewer: Y. Hasegawa;
Atominstitut,
2011;
oral examination: 2011-03-16.
J. Klepp:
"Geometric phase properties in neutron optics experiments";
Supervisor, Reviewer: Y. Hasegawa;
Atominstitut,
2009;
oral examination: 2009-04-28.
Diploma and Master Theses (authored and supervised)
J. Erhart:
"Experimental demonstration of a universally valid uncertainty relation for error and disturbance in joint spin-measurements";
Supervisor: Y. Hasegawa;
Atominstitut,
2010;
final examination: 2010-10-06.
H. Bartosik:
"Experimental test of quantum contextuality with neutron interferometry";
Supervisor: Y. Hasegawa;
Atominstitut,
2009;
final examination: 2009-03-11.
C. Schmitzer:
"A neutron polarimetric test of leggett's contextual model of quantum mechanics";
Supervisor: Y. Hasegawa;
Atominstitut,
2009;
final examination: 2009-03-11.