Spontaneous holographic scalarization of black holes in Einstein-scalar-Gauss-Bonnet theories

Spontaneous holographic scalarization of black holes in Einstein-scalar-Gauss-Bonnet theories
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爱因斯坦标量高斯博内理论中黑洞的自发全息标量化

DOI:
10.1103/physrevd.102.084029
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发表时间:
2020-06
期刊:
Physical Review D - Particles, Fields, Gravitation and Cosmology
影响因子:
--
通讯作者:
Jian-Pin Wu
Jian-Pin Wu
中科院分区:
其他
文献类型:
--
作者:
Hong Guo;Stella Kiorpelidi;Xiao-Mei Kuang;Eleftherios Papantonopoulos;Bin Wang;Jian-Pin Wu

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我们用全息方法研究了具有负宇宙常数的Einstein-Scalar-Gauss-Bonnet引力中的标量化。我们发现,当标量场和Gauss-Bonnet曲率修正之间存在适当的相互作用时,具有平面视界的Schwarzschild-AdS和Reissner-Nordstrom-AdS黑洞都存在不稳定性.我们将这种不稳定性与可能的全息标量化联系起来,并在存在宇宙学常数的情况下构造了相应的多毛黑洞解。利用全息原理,我们期望这种体标量化对应于不破坏任何对称性的标量头发凝聚的边界描述,并计算了系统的相关全息纠缠熵。此外,我们还比较了标量场与Gauss-Bonnet项的耦合效应和电磁场存在下的全息超导效应引起全息标量化的机制,揭示了它们在标量场有效质量、温度依赖性和光学电导率方面的差异。
We holographically investigate the scalarization in the Einstein-Scalar-Gauss-Bonnet gravity with a negative cosmological constant. We find that instability exists for both Schwarzschild-AdS and Reissner-Nordstrom-AdS black holes with planar horizons when we have proper interactions between the scalar field and the Gauss-Bonnet curvature corrections. We relate such instability to possible holographic scalarization and construct the corresponding hairy black hole solutions in the presence of the cosmological constant. Employing the holographic principle we expect that such bulk scalarization corresponds to the boundary description of the scalar hair condensation without breaking any symmetry, and we calculate the related holographic entanglement entropy of the system. Moreover, we compare the mechanisms of the holographic scalarizations caused by the effect of the coupling of the scalar field to the Gauss-Bonnet term and holographic superconductor effect in the presence of an electromagnetic field, and unveil their differences in the effective mass of the scalar field, the temperature dependent property and the optical conductivity.
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