Speaker: Ilya Vekhter, Dept. of Physics and Astronomy, Louisiana State University
Abstract: Specific heat and thermal transport under applied magnetic field have been extensively used in recent years to determine the shape of the energy gap in unconventional superconductors and the location of the gap zeroes (nodes). I will describe the theoretical underpinnings of these measurements, our current understanding of the field-induced anisotropy in the vortex state,
and discuss open questions. Part of the focus will be on resolving, from a theoretical standpoint, the apparent discrepancy between different measurements on the heavy fermion CeCoIn5.