Acoustic black holes in BECs with an extended sonic region
arXiv:2504.08564 · doi:10.1103/hvph-mzqs
Abstract
In the context of Hawking-like radiation in sonic black holes formed by BECs we investigate the modifications of the emission spectrum caused by a finite width of the sonic transition region connecting the subsonic to supersonic flow.
5 pages, 7 figures. Final version, published as Phys. Rev. D 112 (2025), L021701
References in corpus (6)
- Numerical observation of Hawking radiation from acoustic black holes in atomic Bose-Einstein condensates
- Non-local density correlations as signal of Hawking radiation in BEC acoustic black holes
- Resonant Hawking radiation in Bose-Einstein condensates
- Step-like discontinuities in Bose-Einstein condensates and Hawking radiation: dispersion effects
- Quantum vacuum excitation of a quasi-normal mode in an analog model of black hole spacetime
- Low frequency gray-body factors and infrared divergences: rigorous results