Holographic Rényi entropies from hyperbolic black holes with scalar hair

Holographic Rényi entropies from hyperbolic black holes with scalar hair
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来自标量毛发双曲黑洞的全息 Rényi 熵

DOI:
10.1007/jhep12(2022)038
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发表时间:
2022-10
影响因子:
5.4
通讯作者:
Jie Ren
Jie Ren
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Xiaoxuan Bai;Jie Ren

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Abstract. The Rényi entropies as a generalization of the entanglement entropy imply much more information. We analytically calculate the Rényi entropies (with a spherical entangling surface) by means of a class of neutral hyperbolic black holes with scalar hair as a one-parameter generalization of the MTZ black hole. The zeroth-order and third-order phase transitions of black holes lead to discontinuity of the Rényi entropies and their second derivatives, respectively. From the Rényi entropies that are analytic at n = ∞, we can express the entanglement spectrum as an infinite sum in terms of the Bell polynomials. We show that the analytic treatment is in agreement with numerical calculations for the low-lying entanglement spectrum in a wide range of parameters.
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