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-Nordström black holes.
- Received 24 May 2004
DOI:https://doi.org/10.1103/PhysRevLett.94.161302
©2005 American Physical Society