6533b854fe1ef96bd12aeae3
RESEARCH PRODUCT
Ramp-up of Hawking radiation in Bose-Einstein condensate analogue black holes
Roberto BalbinotAlessandro Fabbrisubject
PhysicsHigh Energy Physics - TheorySIMPLE (dark matter experiment)ComputationFOS: Physical sciencesGeneral Physics and AstronomyGeneral Relativity and Quantum Cosmology (gr-qc)01 natural sciencesGeneral Relativity and Quantum Cosmologylaw.inventionBlack holeAtmosphereGeneral Relativity and Quantum CosmologyHigh Energy Physics - Theory (hep-th)Quantum Gases (cond-mat.quant-gas)lawQuantum electrodynamics0103 physical sciencesHawking radiation analogue black holes010306 general physicsCondensed Matter - Quantum GasesQuantumBose–Einstein condensateHawking radiationdescription
Inspired by a recent experiment by Steinhauer and co-workers, we present a simple model which describes the formation of an acoustic black hole in a Bose-Einstein condensate, allowing an analytical computation of the evolution in time of the corresponding density-density correlator. We show the emergence of analog Hawking radiation out of a "quantum atmosphere" region significantly displaced from the horizon. This is quantitatively studied both at $T=0$ and even in the presence of an initial temperature T, as is always the case experimentally.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2020-05-09 |