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arXiv 2111.03359gr-qchep-th
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体熵是验证广义黑洞热力学第二定律的关键

Bulk entropy is crucial to validate the second law of the extended black hole thermodynamics

De-Chang Dai, Djordje Minic, Dejan Stojkovic

摘要:

其中宇宙学常数起压力作用的扩展黑洞热力学显著地丰富了理论的相结构。为了更精确地理解扩展黑洞的热力学,我们在一个黑洞诱导的真空衰变中,通过从一个真空到另一个真空的隧穿,使宇宙学常数的值动态地变化。在这个过程中,黑洞释放的物质/能量的熵对于验证热力学第二定律至关重要。换句话说,如果不考虑这种整体熵,与黑洞和宇宙视界相关的熵可能并不总是增加。由于体熵不是由黑洞和宇宙学视界所代表的,这个结果要求对考虑环境效应的全息原理进行更仔细的解释。

英文摘要:

The extended black hole thermodynamics in which the cosmological constant plays the role of pressure significantly enriches the phase structure of the theory. In order to understand the extended black hole thermodynamics more precisely, we let the value of the cosmological constant vary dynamically via tunneling from one vacuum to another in a black hole induced vacuum decay. In this process, entropy of the matter/energy released by a black hole is crucial to validate the second law of thermodynamics. In other words, without taking this bulk entropy into account, entropy associated with the black hole and cosmological horizons may not always increase. Since the bulk entropy is not represented by the black hole and the cosmological horizons, this result calls for a more careful interpretation of the holographic principle in which environmental effects are taken into account.

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