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cond-mat.supr-con2003★ 1 cited
Transport in vortex state of d-wave superconductors at zero temperature: Wiedemann-Franz violation
Wonkee Kim, F. Marsiglio, J. P. Carbotte
We show that the Wiedemann-Franz law is violated at zero temperature in the vortex state of a d-wave BCS superconductor with isotropic impurity scattering. We use a semiclassical a…
cond-mat.supr-con2003★ 1 cited
Phase fluctuations of s-wave superconductors on a lattice
Wonkee Kim, J. P. Carbotte
Based on an attractive Hubbard model on a lattice with up to second neighbor hopping we derive an effective Hamiltonian for phase fluctuations. The superconducting gap is assum…