期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 11, 页码 -出版社
SPRINGER
DOI: 10.1088/1126-6708/2008/11/033
关键词
AdS-CFT Correspondence; Black Holes; Strong Coupling Expansion; 1/N Expansion
We construct black hole solutions to the Yang-Mills equations in an AdS(4)-Schwarzschild background which exhibit superconductivity. What makes these backgrounds p-wave superconductors is that the order parameter is a vector, and the conductivities are strongly anisotropic in a manner that is suggestive of a gap with nodes. The low-lying excitations of the normal state have a relaxation time which grows rapidly as the temperature decreases, consistent with the absence of impurity scattering. A numerical exploration of quasinormal modes close to the transition temperature suggests that p-wave backgrounds are stable against perturbations analogous to turning on a p + ip gap, whereas p + ip-wave configurations are unstable against turning into pure p-wave backgrounds.
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