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I. Bonalde, W. Brämer-Escamilla, E. Bauer:
"Lines of Nodes in the Superconducting Gap of Noncentrosymmetric CePt₃Si";
in: "LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics; LT24", Y. Takano, P. Hershfield, S. Hill, P. Hirschfeld, A. Goldman (Hrg.); AIP Conference Proceedings 850, 2006, S. 703 - 704.

AIP Conference Proceedings -- September 7, 2006 -- Volume 850, pp. 703-704
LOW TEMPERATURE PHYSICS: 24th International Conference on Low Temperature Physics - LT24

Lines of Nodes in the Superconducting Gap of Noncentrosymmetric CePt₃Si
Ismardo Bonalde,* Werner Brämer-Escamilla,* and Ernst Bauer
*Centro de Física, Instituto Venezolano de Investigaciones Científicas, Apartado 21874, Caracas 1020-A, Venezuela
Institut für Festkörperphysik, Technische Universität Wien, A-1040 Wien, Austria


We report on magnetic penetration depth (T) measurements in CePt3Si down to 50 mK. It is found that (T) is proportional to T below T < 0.16Tc, which is interpreted as evidence for lines of nodes in the gap. A kink is observed in the penetration depth data around 0.5 K. We analyze the implications of these results on the symmetry of the superconducting pairing state. ©2006 American Institute of Physics

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