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29 March 2024
 
  » arxiv » 1306.2013

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Critical magnetic field in holographic superconductor in Gauss-Bonnet gravity with Born-Infeld elctrodynamics
Sheng-liang Cui ; Zhao Xue ;
Date 9 Jun 2013
AbstractIn the paper using matching method in the probe limit, we investigate some properties of holographic superconductor in Gauss-Bonnet gravity with Born-Infeld elctrodynamics . We discuss the effcts that the Gauss-Bonnet coupling $a$ and Born-Infeld parameter $b$ have on the critical temperature and condensate. We find that both of $a$ and $b$ make the critical temperature decrease, which implies the condensate harder to form. Moreover we study the magnetic effect on holographic superconductor and obtain that the ratio between the critical magnetic field and the square of the critical temperature increases from zero as the temperature is lowered below the citical value $T_c$, which agrees well with the former results. We also find the critical magnetic field is indeed affected by Gauss-Bonnet coupling, but not Born-Infeld parameter.
Source arXiv, 1306.2013
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