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Black holes in gravity with conformal anomaly and logarithmic term in black hole entropy

机译:黑洞熵中具有共形异常和对数项的重力黑洞

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摘要

We present a class of exact analytic and static, spherically symmetric black hole solutions in the semi-classical Einstein equations with Weyl anomaly. The solutions have two branches, one is asymptotically flat and the other asymptotically de Sitter. We study thermodynamic properties of the black hole solutions and find that there exists a logarithmic correction to the well-known Bekenstein-Hawking area entropy. The logarithmic term might come from non-local terms in the effective action of gravity theories. The appearance of the logarithmic term in the gravity side is quite important in the sense that with this term one is able to compare black hole entropy up to the subleading order, in the gravity side and in the microscopic statistical interpretation side.
机译:我们在具有Weyl异常的半经典Einstein方程中提出了一类精确的解析和静态球对称黑洞解决方案。解有两个分支,一个分支是渐近平坦的,另一个是渐近de Sitter的。我们研究了黑洞解的热力学性质,发现对著名的Bekenstein-Hawking区域熵存在对数校正。在重力理论的有效作用中,对数项可能来自非局部项。在重力方面,对数项的出现非常重要,因为该术语能够在重力方面和微观统计解释方面比较黑洞熵直至次导阶。

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