Title: What does the field dependence of the thermal conductivity of the heavy fermion superconductor UPt3 tell us about the symmetry of the order parameter?
Authors: Houssa, Michel ×
Ausloos, M #
Issue Date: Oct-1997
Publisher: American physical soc
Series Title: Physical review letters vol:79 issue:15 pages:2879-2882
Abstract: We investigate the field dependence of the thermal conductivity kappa of UPt3 single crystals for magnetic fields applied along the basal tab) plane and along the c axis, respectively. The effect of heat carrying electrons scattered by quasiparticle excitations in the vortex cores is calculated for an anisotropic superconducting gap parameter of either E-1g or E-2u symmetry. It is shown that the anisotropy of the field dependence of kappa allows one to probe the symmetry of the superconducting order parameter and favors the E-2u gap parameter, i.e., with quadratic point nodes along the c axis.
ISSN: 0031-9007
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Semiconductor Physics Section
× corresponding author
# (joint) last author

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