We study the back-reaction associated with Hawking evaporation of an acoustic canonical analogue black hole in a Bose–Einstein condensate. We show that the emission of Hawking radiation induces a local back-reaction on the condensate, perturbing it in the near-horizon region, and a global back-reaction in the density distribution of the atoms. We discuss how these results produce useful insights into the process of black hole evaporation and its compatibility with a unitary evolution.
Back-Reaction in Canonical Analogue Black Holes / Liberati, S.; Tricella, G.; Trombettoni, A.. - In: APPLIED SCIENCES. - ISSN 2076-3417. - 10:24(2020), pp. 1-21. [10.3390/app10248868]
Back-Reaction in Canonical Analogue Black Holes
Liberati, S.;Tricella, G.;Trombettoni, A.
2020-01-01
Abstract
We study the back-reaction associated with Hawking evaporation of an acoustic canonical analogue black hole in a Bose–Einstein condensate. We show that the emission of Hawking radiation induces a local back-reaction on the condensate, perturbing it in the near-horizon region, and a global back-reaction in the density distribution of the atoms. We discuss how these results produce useful insights into the process of black hole evaporation and its compatibility with a unitary evolution.| File | Dimensione | Formato | |
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