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Backreaction in Acoustic Black Holes
classification
🌀 gr-qc
cond-mat.otherhep-th
keywords
blackacousticholesbackreactiontheyanalogiescoolerdimensional
read the original 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.
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