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arXiv 1306.5137hep-thcond-mat.supr-congr-qc
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不同非线性修正下Gauss-Bonnet引力场中全息$s$波凝聚和类Meissner效应

Holographic $s$-wave condensation and Meissner-like effect in Gauss-Bonnet gravity with various non-linear corrections

Shirsendu Dey, Arindam Lala

摘要:

本文研究了在$(4+1)$维平面Gauss-Bonnet-AdS黑洞背景中,对规范场作几种非线性修正后,全息$s$波凝聚的起始。在探针极限下,进行显式解析计算,有和没有磁场,我们发现,这些高阶校正确实影响各种量表征的全息超导体。此外,进行了比较研究的两个非线性电动力学,它已被证明,指数电动力学有更强的标量头发的形成的影响。我们观察到,我们的结果与数值计算[Z. Zhao et.例如,核物理B 871 [FS](2013)98]。

英文摘要:

In this paper we have studied the onset of holographic $s$-wave condensate in the $(4+1)$ dimensional planar Gauss-Bonnet-AdS black hole background with several non-linear corrections to the gauge field. In the probe limit, performing explicit analytic computations, with and without magnetic field, we found that these higher order corrections indeed affect various quantities characterising the holographic superconductors. Also, performing a comparative study of the two non-linear electrodynamics it has been shown that the exponential electrodynamics has stronger effects on the formation of the scalar hair. We observe that our results agree well with those obtained numerically [Z. Zhao et. al., Nucl. Phys. B 871 [FS] (2013) 98].

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