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41 matching records have been found with your search parameters:
41 - Faculty of Physics




Zeitschriftenartikel:

  1. Source: Faculty of Physics

    A. Galler, C. Taranto, M. Wallerberger, M. Kaltak, G. Kresse, G. Sangiovanni, A. Toschi, K. Held:
    "Screened moments and absence of ferromagnetism in FeAl";
    Physical Review B, 92 (2015), 205132-1 - 205132-7.

    More information

  2. Source: Faculty of Physics

    D. Geffroy, M. Wallerberger, J. Kunes et al.:
    "Sparse sampling and tensor network representation of two-particle Green's functions";
    SciPost Physics, 8 (2020), 012; 1 - 23.

  3. Source: Faculty of Physics

    P. Gunacker, M. Wallerberger, E. Gull, A. Hausoel, G. Sangiovanni, K. Held:
    "Continuous-time quantum Monte Carlo using worm sampling";
    Physical Review B, 92 (2015), 155102-1 - 155102-10.

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  4. Source: Faculty of Physics

    P. Gunacker, M. Wallerberger, T. Ribic, A. Hausoel, G. Sangiovanni, K. Held:
    "Worm-improved estimators in continuous-time quantum Monte Carlo";
    Physical Review B, 94 (2016), 125153; 125153-1 - 125153-9.

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  5. Source: Faculty of Physics

    K. Igenbergs, J. Schweinzer, A. Veiter, L. Perneczky, E. Frühwirth, M. Wallerberger, R.E. Olson, F. Aumayr:
    "Charge exchange and ionisation in N7+-, N6+-, C6+- H(n = 1,2) collisions studied systematically by theoretical approaches";
    Journal of Physics B: Atomic , Molecular and Optical Physics, 45 (2012), 0652031 - 06520321.

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  6. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-Orbital Close-Coupling Calculations for Collisions Involving Fusion Relevant Highly Charged Impurity Ions Using Very Large Basis Sets";
    AIP Conference Proceedings, 1438 (2012), 232 - 235.

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  7. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-orbital close-coupling calculations of charge exchange and ionisation in collisions of H(1s) and highly charged neon and argon ions";
    Journal of Physics: Conference Series, 388 (2012), 082056.

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  8. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-Orbital Close-Coupling Calculations Of Electron Capture From Hydrogen Atoms Into Highly Excited Rydberg States Of Multiply Charged Ions";
    American Institute of Physics conference proceedings, 1336 (2011), 97 - 100.

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  9. Source: Faculty of Physics

    P. Kappl, M. Wallerberger, J. Kaufmann, M. Pickem, K. Held:
    "Statistical error estimates in dynamical mean-field theory and extensions thereof";
    Physical Review B, 102 (2020), 085124; 1 - 11.

  10. Source: Faculty of Physics

    P. Sanyal, A. Halder, L. Si, M. Wallerberger, K. Held, T. Saha-Dasgupta:
    "Magnetism in Sr2CrMoO6: A Combined Ab-initio and Model Study";
    Physical Review B, 94 (2016), 035132; 035132-1 - 035132-8.

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  11. Source: Faculty of Physics

    T. Schäfer, S. Ciuchi, M. Wallerberger, P. Thunström, O. Gunnarsson, G. Sangiovanni, G. Rohringer, A. Toschi:
    "Non-perturbative landscape of the Mott-Hubbard transition: Multiple divergence lines around the critical endpoint";
    Physical Review B, 94 (2016), 235108; 1 - 25.

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  12. Source: Faculty of Physics

    M. Wallerberger, A. Hausoel, P. Gunacker, A. Kowalski, N. Parragh, F. Goth, K. Held, G. Sangiovanni:
    "w2dynamics: Local one- and two-particle quantities from dynamical mean field theory";
    Computer Physics Communications, Vol. 235 (2019), 388 - 399.

  13. Source: Faculty of Physics

    M. Wallerberger, K. Igenbergs, J. Schweinzer, F. Aumayr:
    "Fast computation of close-coupling exchange integrals using polynomials in a tree representation";
    Computer Physics Communications, 182 (2011), 775 - 778.

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  14. Source: Faculty of Physics

    M. Wallerberger, K. Igenbergs, J. Schweinzer, F. Aumayr:
    "Fast computation of large-scale close-coupling systems on the example of N7+ − H collisions";
    Journal of Physics: Conference Series, 388 (2012), 082055.

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  15. Source: Faculty of Physics

    M. Wallerberger, H. Shinaoka, A. Kauch:
    "Solving the Bethe-Salpeter equation with exponential convergence";
    Physical Review Research, 3 (2021), 033168; 033168.

  16. Source: Faculty of Physics

    Z. Zhong, M. Wallerberger, J. Tomczak, C. Taranto, N. Parragh, A. Toschi, G. Sangiovanni, K. Held:
    "Electronics with Correlated Oxides: SrVO3/SrTiO3 as a Mott Transistor";
    Physical Review Letters, 114 (2015), 246401-1 - 246401-5.

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Vorträge und Posterpräsentationen (ohne Tagungsband-Eintrag):

  1. Source: Faculty of Physics

    F. Aumayr, A. Veiter, K. Igenbergs, M. Wallerberger:
    "Atomic-orbital close-coupling calculations for collisions of highly charged ions with atomic hydrogen";
    Poster: 11th European Conference on Atoms, Molecules and Photons 2013 (ECAMP-11), Aarhus University/Denmark; 2013-06-24.

  2. Source: Faculty of Physics

    A. Galler, M. Wallerberger, J. Tomczak, K. Held:
    "Correlation effects in the intermetallic CrSb2";
    Poster: QCM14 - Quantum Critical Matter - From Atoms To Bulk, Obergurgl, Austria; 2014-08-18 - 2014-08-23.

  3. Source: Faculty of Physics

    A. Galler, M. Wallerberger, J. Tomczak, K. Held:
    "The correlated semiconductor CrSb2";
    Poster: FOR 1346: Young Scientists' meeting (2015), Würzburg; Germany; 2015-02-11 - 2015-02-12.

  4. Source: Faculty of Physics

    K. Igenbergs, R. Olsen, J. Schweinzer, A. Veiter, M. Wallerberger, L. Perneczky, F. Aumayr:
    "Cross sections for neutral hydrogen beam diagnostics of hot fusion plasmas";
    Poster: 10th European Conference on Atoms Molecules and Photons (ECAMP 10), Salamanca/Spain; 2010-07-07.

  5. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-Orbital Close-Coupling Calculations for Collisions Involving Fusion Relevant High-q Impurity Ions and Using Very Large Basis Sets";
    Poster: 17th International Conference on Atomic Processes in Plasmas (APiP 2011), Belfast/UK; 2011-07-19.

  6. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-orbital close-coupling calculations of charge exchange and ionization of H(1s) in collisions with highly charged neon and argon ions";
    Poster: 27th International Conference on Photonic, Electronic and Atomic Collisions (XXVII ICPEAC), Belfast/UK; 2011-08-01.

  7. Source: Faculty of Physics

    K. Igenbergs, M. Wallerberger, J. Schweinzer, F. Aumayr:
    "Atomic-Orbital Close-Coupling Calculations of Charge Exchange Cross Sections";
    Poster: 5th Annual Meeting of the EU network ITS-LEIF, Alghero, Sardinia/Italy; 2010-05-12.

  8. Source: Faculty of Physics

    F. Libisch, T. Hisch, M. Wallerberger, S. Rotter, J. Burgdörfer:
    "Klein Tunneling in Graphene Quantum Dots";
    Poster: Tunneling and Scattering in Complex Systems - From Single to Many Particle Physics, Dresden, Germany; 2009-09-14 - 2009-09-18.

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  9. Source: Faculty of Physics

    M.-T. Philipp, M. Wallerberger, P. Gunacker, K. Held:
    "Mott-Hubbard transition in the mass-imbalanced Hubbard model";
    Poster: DPG Spring Meeting, Dresden 2017, Dresden; 2017-03-19 - 2017-03-24.

  10. Source: Faculty of Physics

    T. Schäfer, O. Gunnarsson, S. Ciuchi, M. Wallerberger, J. p LeBlanc, G. Sangiovanni, G. Rohringer, A. Toschi:
    "Irreducible vertex divergences: Non-Perturbative Landscape of the Mott-Hubbard transition";
    Talk: Workshop on multiple solutions in many-body theories, Paris, Frankreich (invited); 2016-06-14 - 2016-06-15.

  11. Source: Faculty of Physics

    T. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, E. Gull, L.J. LeBlanc, J. Merino, P. Thunström, M. Wallerberger, A. Toschi:
    "Divergent precursors of the Mott metal-insulator transition in DMFT and beyond";
    Talk: ViCoM Young Researchers Meeting 2014, TU Wien, Austria; 2014-04-22.

  12. Source: Faculty of Physics

    T. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, E. Gull, L.J. LeBlanc, J. Merino, P. Thunström, M. Wallerberger, A. Toschi:
    "Divergent precursors of the Mott metal-insulator transition in dynamical mean field theory and beyond";
    Talk: DPG Spring Meeting, Dresden, Dresden, Deutschland; 2014-03-30 - 2014-04-04.

  13. Source: Faculty of Physics

    T. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, E. Gull, L.J. LeBlanc, J. Merino, P. Thunström, M. Wallerberger, A. Toschi:
    "Divergent Precursors of the Mott-Hubbard transition in DMFT and Beyond";
    Poster: ViCoM Conference; From Electrons to Phase Transitions, Wien, Österreich; 2014-02-26 - 2014-02-28.

  14. Source: Faculty of Physics

    T. Schäfer, G. Rohringer, O. Gunnarsson, S. Ciuchi, G. Sangiovanni, E. Gull, L.J. LeBlanc, J. Merino, P. Thunström, M. Wallerberger, A. Toschi:
    "Understanding Electronic Scattering beyond Fermi-liquid Theory: from Pseudogap Phases to the MIT";
    Talk: The New Generation in Strongly Correlated Electron Systems 2014, Nice, France; 2014-06-16 - 2014-06-20.

  15. Source: Faculty of Physics

    M. Wallerberger:
    ""W2dynamics": vertices and improved estimators for general interactions";
    Talk: ERC WORKSHOP Ab initio Dynamical Vertex Approximation, Baumschlagerberg, Österreich; 2013-09-01 - 2013-09-04.

  16. Source: Faculty of Physics

    M. Wallerberger:
    "One- and two-particle impurity Green's functions obtained using worm sampling";
    Talk: DPG Spring Meeting 2015 - Berlin, Berlin; Germany; 2015-03-16 - 2015-03-20.

  17. Source: Faculty of Physics

    M. Wallerberger:
    "The Good, the Bad and the Ugly: using quantum Monte Carlo methods for vertex functions";
    Talk: 4th VSC Workshop, Neusiedl am See, Österreich; 2014-02-24 - 2014-02-25.

  18. Source: Faculty of Physics

    M. Wallerberger:
    "Vertices and local moments in quantum Monte Carlo for general interactions";
    Talk: Workshop Obertraun 2014 "Novel Materials and Superconductors", Obertraun; 2014-02-09 - 2014-02-15.

  19. Source: Faculty of Physics

    M. Wallerberger:
    "Why three is close to infinity and two is much greater than one (in strongly correlated systems)";
    Talk: Vienna Theory Lunch Seminar, University of Vienna 2014, Wien, Österreich (invited); 2014-05-06.

  20. Source: Faculty of Physics

    M. Wallerberger, E. Gull, N. Parragh, G. Sangiovanni, A. Toschi, K. Held:
    "Two-particle Green functions calculated by continuous time quantum Monte Carlo simulations";
    Poster: DPG Spring Meeting, Regensburg, Deutschland; 2013-03-10 - 2013-03-15.

  21. Source: Faculty of Physics

    M. Wallerberger, E. Gull, N. Parragh, A. Toschi, G. Sangiovanni, K. Held:
    "Two-particle Green functions calculated by continuous time quantum Monte Carlo simulations";
    Poster: NGSCES 2013: The New Generation in Strongly Correlated Electron Systems, Sestri Lavante, Italien; 2013-07-01 - 2013-07-05.

  22. Source: Faculty of Physics

    M. Wallerberger, K. Igenbergs, J. Schweinzer, F. Aumayr:
    "Fast computation of close-coupling exchange integrals for fusion-relevant heavy ion collisions";
    Poster: 27th International Conference on Photonic, Electronic and Atomic Collisions (XXVII ICPEAC), Belfast/UK; 2011-08-01.


Dissertationen (eigene und begutachtete):

  1. Source: Faculty of Physics

    M. Wallerberger:
    "w2dynamics: continuous time quantum Monte Carlo calculations of one- and two-particle propagators";
    Supervisor, Reviewer: K. Held, G. Sangiovanni; Institut für Festkörperphysik (E138), 2016.

    More information


Diplom- und Master-Arbeiten (eigene und betreute):

  1. Source: Faculty of Physics

    P. Gunacker:
    "Diagrammatic Quantum Monte Carlo with Worm Sampling";
    Supervisor: K. Held, M. Wallerberger; Institut für Festkörperphysik, 2014.

  2. Source: Faculty of Physics

    M. Wallerberger:
    "Effective calculations of fusion-relevant highly charged ion collisions";
    Supervisor: F. Aumayr; Institut für Angewandte Physik (IAP), 2011; final examination: 2011-10-05.

 
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