Hawking type radiation from acoustic black holes with time-dependent metric

DOI10.1016/S0034-4877(21)00067-7zbMATH Open1530.83027arXiv1912.12775WikidataQ113286292 ScholiaQ113286292MaRDI QIDQ6331980

Gregory Eskin

Publication date: 25 December 2019

Abstract: We consider a time-dependent acoustic metric in 2+1 dimensions having a black hole and we study the Hawking type radiation from such black hole. We construct eikonals of special form with the support close to the black hole. We compute the average number of created particles where the average is taken with respect to the Unruh type vacuum.

Mathematics Subject Classification ID

Black holes (83C57) Quantum field theory on curved space or space-time backgrounds (81T20)

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