Abstract
We construct a family of minimal phenomenological models for holographic superconductors in d = 4 + 1 AdS spacetime and study the effect of scalar and gauge field fluctuations. By making a Ginzburg-Landau interpretation of the dual field theory, we determine through holographic techniques a phenomenological Ginzburg-Landau Lagrangian and the temperature dependence of physical quantities in the superconducting phase. We obtain insight on the behaviour of the Ginzburg-Landau parameter and whether the systems behaves as a Type I or Type II superconductor. Finally, we apply a constant external magnetic field in a perturbative approach following previous work by D’Hoker and Kraus, and obtain droplet solutions which signal the appearance of the Meissner effect.
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ArXiv ePrint: 1311.5821
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Dector, A. Ginzburg-Landau Approach to Holographic Superconductivity. J. High Energ. Phys. 2014, 137 (2014). https://doi.org/10.1007/JHEP12(2014)137
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DOI: https://doi.org/10.1007/JHEP12(2014)137