Supercurrent in a p-wave holographic superconductor
Hua-Bi Zeng, Wei-Min Sun, Hong-Shi Zong
DOI 10.1103/PhysRevD.83.046010 · Physical Review D
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Abstract
The p-wave and p+ip-wave holographic superconductors with fixed DC supercurrent are studied by introducing a nonvanishing vector potential. We find that close to the critical temperature Tc of zero current, the numerical results of both the p-wave model and the p+ip model are the same as those of Ginzburg-Landau (GL) theory; for example, the critical current is jc∼(Tc−T)3/2 and the phase transition in the presence of a DC current is a first-order transition. Beside the similar results between both models, the p+ip superconductor shows isotropic behavior for the supercurrent, while the p-wave superconductor shows anisotropic behavior for the supercurrent.
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