Ginzburg-Landau effective action for a fluctuating holographic superconductor
arXiv:2106.00556 · doi:10.1007/JHEP09(2021)168
Abstract
Under holographic prescription for Schwinger-Keldysh closed time contour for non-equilibrium system, we consider fluctuation effect of the order parameter in a holographic superconductor model. Near the critical point, we derive the time-dependent Ginzburg-Landau effective action governing dynamics of the fluctuating order parameter. In a semi-analytical approach, the time-dependent Ginzburg-Landau action is computed up to quartic order of the fluctuating order parameter, and first order in time derivative.
arXiv comment31 pages, 1 figure; v2: 32 pages. Matches published version in JHEP
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