Acoustic black holes in BECs with an extended sonic region
General Relativity and Quantum Cosmology
2025-07-17 v3 Quantum Gases
High Energy Physics - Theory
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.
Cite
@article{arxiv.2504.08564,
title = {Acoustic black holes in BECs with an extended sonic region},
author = {Daniel Peñalver and Marco De Vito and Roberto Balbinot and Alessandro Fabbri},
journal= {arXiv preprint arXiv:2504.08564},
year = {2025}
}
Comments
5 pages, 7 figures. Final version, published as Phys. Rev. D 112 (2025), L021701