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arXiv 1601.04087hep-thgr-qc
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中心荷

Central charge

K. Ropotenko

摘要:

与在Kerr/CFT对应中推导极端黑洞的对偶CFT温度的方法完全相同,我们发现Schwarzschild黑洞的手征对偶CFT的温度是$T=1/2π$。将Cardy公式与Bekenstein-Hawking熵进行比较,利用$T$,发现Schwarzschild黑洞的中心荷的形式为$c=12J_{\rm in}$,其中$J_{\rm in}$是黑洞的内禀角动量,$J_{\rm in}=A/8πG$ .证明了任意四维极值黑洞的中心荷具有相同的形式。这种形式的可能的普遍性进行了简要讨论。

英文摘要:

Proceeding in exactly the same way as in the derivation of the temperature of a dual CFT for the extremal black hole in the Kerr/CFT correspondence, it is found that the temperature of a chiral, dual CFT for the Schwarzschild black hole is $T=1/2π$. Comparing Cardy's formula with the Bekenstein-Hawking entropy and using $T$, it is found that the central charge for the Schwarzschild black hole is of the form $c=12J_{\rm in}$, where $J_{\rm in}$ is the intrinsic angular momentum of the black hole, $J_{\rm in}=A/8πG$. It is shown that the central charge for any four-dimensional (4D) extremal black hole is of the same form. The possible universality of this form is briefly discussed.

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