非狄利克雷扇区的黑洞熵和反弹解

IF 1.2 3区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Foundations of Physics Pub Date : 2023-08-05 DOI:10.1007/s10701-023-00719-5
I. Y. Park
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引用次数: 1

摘要

在最近的一系列工作中,人们探讨了引力边界自由度及其动力学在引力量子化和黑洞信息中的相关性。在这项工作中,我们通过敏锐地关注真正的引力边界自由度作为黑洞熵的起源,进一步取得了进展。沃尔德的熵公式被仔细研究,沃尔德公式正确地捕获黑洞熵的原因也被检验了。然后,讨论了Wald方法的局限性;提出了一种基于边界动力学的相干熵观。在文献中观察到的全息和沃尔德熵之间的差异是解决。我们将熵的定义一般化,以便处理与时间有关的黑洞。大口径对称起着关键作用。非狄利克雷边界条件和Coleman-De Luccia反弹解的引力类似物是识别微观状态和区分与不同类型解相关的熵的起源的核心。本工作的结果导致黑洞熵是热力学设置中的纠缠熵的观点。
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Black Hole Entropy from Non-dirichlet Sectors, and a Bounce Solution

The relevance of gravitational boundary degrees of freedom and their dynamics in gravity quantization and black hole information has been explored in a series of recent works. In this work we further progress by focusing keenly on the genuine gravitational boundary degrees of freedom as the origin of black hole entropy. Wald’s entropy formula is scrutinized, and the reason that Wald’s formula correctly captures the entropy of a black hole examined. Afterwards, limitations of Wald’s method are discussed; a coherent view of entropy based on boundary dynamics is presented. The discrepancy observed in the literature between holographic and Wald’s entropies is addressed. We generalize the entropy definition so as to handle a time-dependent black hole. Large gauge symmetry plays a pivotal role. Non-Dirichlet boundary conditions and gravitational analogues of Coleman-De Luccia bounce solutions are central in identifying the microstates and differentiating the origins of entropies associated with different classes of solutions. The result in the present work leads to a view that black hole entropy is entanglement entropy in a thermodynamic setup.

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来源期刊
Foundations of Physics
Foundations of Physics 物理-物理:综合
CiteScore
2.70
自引率
6.70%
发文量
104
审稿时长
6-12 weeks
期刊介绍: The conceptual foundations of physics have been under constant revision from the outset, and remain so today. Discussion of foundational issues has always been a major source of progress in science, on a par with empirical knowledge and mathematics. Examples include the debates on the nature of space and time involving Newton and later Einstein; on the nature of heat and of energy; on irreversibility and probability due to Boltzmann; on the nature of matter and observation measurement during the early days of quantum theory; on the meaning of renormalisation, and many others. Today, insightful reflection on the conceptual structure utilised in our efforts to understand the physical world is of particular value, given the serious unsolved problems that are likely to demand, once again, modifications of the grammar of our scientific description of the physical world. The quantum properties of gravity, the nature of measurement in quantum mechanics, the primary source of irreversibility, the role of information in physics – all these are examples of questions about which science is still confused and whose solution may well demand more than skilled mathematics and new experiments. Foundations of Physics is a privileged forum for discussing such foundational issues, open to physicists, cosmologists, philosophers and mathematicians. It is devoted to the conceptual bases of the fundamental theories of physics and cosmology, to their logical, methodological, and philosophical premises. The journal welcomes papers on issues such as the foundations of special and general relativity, quantum theory, classical and quantum field theory, quantum gravity, unified theories, thermodynamics, statistical mechanics, cosmology, and similar.
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