Binary AdS black holes coupled to a bath in Type IIB

Evan Deddo, Leopoldo A. Pando Zayas, Christoph F. Uhlemann

Research output: Working paperPreprintpeer-review

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Abstract

We construct Type IIB string theory setups which, via double holography, realize two gravitational systems in separate AdS spaces which interact with each other and with a non-gravitational bath. We employ top-down string theory solutions with concrete field theory duals in the form of 4d $\mathcal N=4$ SYM BCFTs and a first-principles notion of double holography. The setups are used to realize pairs of `near' and `far' black holes from the perspective of the bath, which exchange Hawking radiation with each other and radiate into the bath. We identify three phases for the entropy in the bath characterized as no island, partial island and full island, and discuss the entropy curves. The setups differ from the black hole binaries observed in gravitational wave experiments but may capture certain aspects.
Original languageEnglish
Publication statusPublished - 31 Dec 2023

Bibliographical note

28 pages, 10 figures

Keywords

  • hep-th

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