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-Nordstrom black holes.
BACKREACTION IN ACOUSTIC BLACK HOLES / R. Balbinot; S. Fagnocchi; A. Fabbri; G.P. Procopio. - In: PHYSICAL REVIEW LETTERS. - ISSN 0031-9007. - STAMPA. - 94:(2004), pp. 161302-161306. [10.1103/PhysRevLett.94.161302]
BACKREACTION IN ACOUSTIC BLACK HOLES.
BALBINOT, ROBERTO;FAGNOCCHI, SERENA;FABBRI, ALESSANDRO;
2004
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-Nordstrom black holes.File in questo prodotto:
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