Supercurrent in Nodal Superconductors

Details Supercurrent in Nodal Superconductors Supercurrent in Nodal Superconductors

2004-05-11

arxiv.org/abs/cond-mat/0405236v2

Phys. Rev. B v.70 p.184521 (2004)

Physics

Condensed Matter

Superconductivity

revtex4, 6 pages, 7 figures; fixed typos, updated references, trimmed introduction

Scientific paper

10.1103/PhysRevB.70.184521

In recent years, a number of nodal superconductors have been identified; d-wave superconductors in high T_c cuprates, CeCoIn$_5$, and \kappa-(ET)_2Cu(NCS)_2, 2D f-wave superconductor in Sr_2RuO_4 and hybrid s+g-wave superconductor in YNi_2B_2C. In this work we conduct a theoretical study of nodal superconductors in the presence of supercurrent. For simplicity, we limit ourselves to d-wave and 2D f-wave superconductors. We compute the quasiparticle density of states and the temperature dependence of the depairing critical current in nodal superconductors, both of which are accessible experimentally.

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