Entropy of the electrically charged hairy black holes
Entropy of the electrically charged hairy black holes
复制标题
带电毛状黑洞的熵
DOI:
10.1140/epjc/s10052-018-6254-6
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发表时间:
2018-09
期刊:
影响因子:
--
通讯作者:
Yu Pan
中科院分区:
文献类型:
--
作者:
Yu-Bo Ma;Li-Chun Zhang;Shuo Cao;Tonghua Liu;Shuaibo Geng;Tengpeng Xu;Yuting Liu;Yu Pan
In this paper, we discuss the effective thermodynamic quantities of higher dimensional electrically charged hairy black holes in de Sitter spacetime, considering the correlation between the black hole horizon and the cosmological horizon. Our results show that, the interaction term determined by the position of the two horizons could significantly contribute to the total entropy of de Sitter spacetime. Moreover, different from the case in AdS spacetime, we find both zero-order and second-order phase transitions under certain conditions, with the absence of first-order phase transition in the electrically charged hairy black holes. These results are strongly supported by the classification of phase transition in Ehrenfest’s equations. More interestingly, our analysis demonstrates the validity of the Ehrenfest equations at the critical point, and futhermore indicates the similarity of Prigogine–Defay (PD) ratio between ECBH spacetime and AdS spacetime.
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DOI:
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发表时间:
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期刊:
The Journal of High Energy Physics
影响因子:
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