Backreaction in acoustic black holes |
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| Authors: | Balbinot Roberto Fagnocchi Serena Fabbri Alessandro Procopio Giovanni P |
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| Institution: | Dipartimento di Fisica dell'Università di Bologna and INFN sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy. balbinot@bo.infn.it |
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| Abstract: | The backreaction equations for the linearized quantum fluctuations in an acoustic black hole are given. The solution near the horizon, obtained within a dimensional reduction, indicates that acoustic black holes, unlike Schwarzschild ones, get cooler as they radiate phonons. They show remarkable analogies with near-extremal Reissner-Nordstr?m black holes. |
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