Hybrid RBRC seminar

"Entropy-Area Law from Interior Semi-classical Degrees of Freedom"

Presented by Dr Yuki Yokokura, RIKEN

Thursday, September 1, 2022, 9:30 am — Hybrid: Bldg. 510, Room 2-160

Abstract: A black hole is considered as a bound state consisting of many semi-classical degrees of freedom responsible for the entropy which exist uniformly inside and have maximum gravity. The distribution of their information determines the interior metric through the semi-classical Einstein equation. Then, the interior is a continuous stacking of AdS2×S2 without horizon or singularity and behaves like a local thermal state at a near-Plankian local temperature. Evaluating the entropy density from thermodynamic relations and integrating it over the interior volume, the area law is obtained with the factor 1/4 for any interior degrees of freedom, where the dynamics of gravity plays an essential role in changing the entropy from the volume law to the area law. [arXiv: 2207.14274]

Hosted by: Nobuyuki Matsumoto

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