Multiband superconductivity in NbSe_2 from heat transport

Etienne Boaknin, M. A. Tanatar, Johnpierre Paglione +8

The thermal conductivity of the layered s-wave superconductor NbSe_2 was measured down to T_c/100 throughout the vortex state. With increasing field, we identify two regimes: one w…