@article{f1560c0db2394acdb4048615e617734e,
title = "Quasinormal modes of Unruh's acoustic black hole",
abstract = "We study the sound perturbation of Unruh's acoustic geometry and present an exact expression for the quasinormal modes of this geometry. We found that the quasinormal frequencies are pure-imaginary which give a purely damped modes.",
keywords = "Acoustic black hole, Analog gravity, Quasinormal modes",
author = "Joel Saavedra",
note = "Funding Information: The author is grateful to C. Campuzano, S. Lepe, A. Lopez-Ortega, R. Troncoso and E. Vagenas for many useful and enlightening discussions. This work was supported by COMISION NACIONAL DE CIENCIAS Y TECNOLOGIA through FONDE-CYT Postdoctoral Grant 3030025. The author was partially supported by DI-PUCV Grants No. 123.885/06 and Proyecto SEMILLA UdeC-PUCV Nos. 123.106 and",
year = "2006",
month = jun,
day = "28",
doi = "10.1142/S0217732306019712",
language = "English",
volume = "21",
pages = "1601--1607",
journal = "Modern Physics Letters A",
issn = "0217-7323",
publisher = "World Scientific Publishing Co. Pte Ltd",
number = "20",
}