Analytical approach to phase transitions in rotating and non-rotating 2D holographic superconductors
arXiv:1107.2909
Abstract
Analytical calculations of phase transitions in AdS3 Maxwell-scalar system, modeling a holographic superconductor, are performed in the probe limit of BTZ black hole background. Estimated values of the phase transition critical temperature and of the scalar boundary operator are compared with that obtained in numerical simulations. We discuss extensions of the model to topologically massive QED3 and to inclusion of external magnetic field. The latter becomes possible through the Barnett-London and the Lense-Thirring effects, but the former does not lead to any viable modifications. The standard setup of a holographic superconductor is extended to a rotating 2D holographic superconductor, and the main characteristics of the phase transition are calculated in the probe limit and in the small angular momentum approximation. We evaluate the feedback of the superconductor rotation on the phase transition and find the set of parameters, which lower the critical temperature in compare to the non-rotating case, or make it slightly higher.
25 pages, 2 figs
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