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Anisotropy of heat capacity in Pauli limited unconventional superconductors

A. Vorontsov, I. Vekhter

cond-mat.supr-conarXiv:cond-mat/0606390

Abstract

Diamagnetically coupled magnetic field can be used as a probe of nodal positions in unconventional superconductors. The heat capacity depends on the angle ϕ0 between the magnetic field and the nodal directions. We show that the anisotropy C(ϕ0) persists even in systems with strong paramagnetic coupling to the electrons's spins.

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