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arXiv 1503.01268hep-thgr-qc
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d=4 Einstein-Yang-Mills理论中渐近反de Sitter黑洞的热力学性质

Thermodynamic properties of asymptotically anti-de Sitter black holes in d=4 Einstein-Yang-Mills theory

Olga Kichakova, Jutta Kunz, Eugen Radu, Yasha Shnir

摘要:

研究了具有负宇宙学常数的四维Einstein-Yang-Mills-SU(2)理论中球对称黑洞解的热力学性质.特别注意的是与单位磁荷配置。我们发现一组Reissner-Nordström-Anti-de Sitter黑洞可以变得不稳定,形成非阿贝尔头发。然而,毛茸茸的黑洞永远不会比完整的阿贝尔解更受欢迎。讨论了具有非整数磁荷的一般构型的热力学性质。

英文摘要:

We investigate the thermodynamics of spherically symmetric black hole solutions in a four-dimensional Einstein--Yang-Mills-SU(2) theory with a negative cosmological constant. Special attention is paid to configurations with a unit magnetic charge. We find that a set of Reissner-Nordström--Anti-de Sitter black holes can become unstable to forming non-Abelian hair. However, the hairy black holes are never thermodynamically favoured over the full set of abelian monopole solutions. The thermodynamics of the generic configurations possessing a noninteger magnetic charge is also discussed.

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