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arXiv · 2005.04443

Ramp-up of Hawking radiation in Bose-Einstein condensate analogue black holes

Alessandro Fabbri·Roberto Balbinot
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Abstract

Inspired by a recent experiment by Steinhauer and co-workers, we present a simple model which describes the formation of an acoustic black hole in a Bose-Einstein condensate, allowing an analytical computation of the evolution in time of the corresponding density-density correlator. We show the emergence of analog Hawking radiation out of a "quantum atmosphere" region significantly displaced from the horizon. This is quantitatively studied both at $T=0$ and even in the presence of an initial temperature T, as is always the case experimentally.

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BibTeXRIS

Alessandro Fabbri, Roberto Balbinot. 2020-05-09. Ramp-up of Hawking radiation in Bose-Einstein condensate analogue black holes. https://doi.org/10.1103/physrevlett.126.111301

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