Acoustic black holes in BECs with an extended sonic region

Daniel Peñalver; Marco De Vito; Roberto Balbinot; Alessandro Fabbri

doi:10.1103/hvph-mzqs

Letter

Acoustic black holes in BECs with an extended sonic region

Daniel Peñalver ^1,*, Marco De Vito ^2,†, Roberto Balbinot ^3,‡, and Alessandro Fabbri ^1,§

¹Departamento de Física Teórica and IFIC, Universidad de Valencia-CSIC, Calle Dr. Moliner 50, 46100 Burjassot, Spain
²Studio Filosofico Domenicano, affiliato alla Facoltà di Filosofia della Pontificia Università “San Tommaso d’Aquino” in Roma, Piazza San Domenico 13, 40124 Bologna, Italy
³Dipartimento di Fisica e Astronomia dell’Università di Bologna and INFN sezione di Bologna, Via Irnerio 46, 40126 Bologna, Italy

^*Contact author: Daniel.Penalver@ific.uv.es
^†Contact author: marcodev1996@gmail.com
^‡Contact author: Roberto.Balbinot@bo.infn.it
^§Contact author: afabbri@ific.uv.es

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Phys. Rev. D 112, L021701 – Published 16 July, 2025

DOI: https://doi.org/10.1103/hvph-mzqs

Abstract

In the context of Hawking-like radiation in sonic black holes formed by Bose-Einstein condensates we investigate the modifications of the emission spectrum caused by a finite width of the sonic transition region connecting the subsonic to supersonic flow.

Physical Review D

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Acoustic black holes in BECs with an extended sonic region

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Acoustic black holes in BECs with an extended sonic region

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