Detailed Information on Publication Record
2023
Quasinormal modes of acoustic black hole
TOSHMATOV, Bobir, Khasan MAVLYANOV, Bahromjon ABDULAZIZOV, Ahror MAMADJANOV, Farruh ATAMUROTOV et. al.Basic information
Original name
Quasinormal modes of acoustic black hole
Authors
TOSHMATOV, Bobir (203 Czech Republic, belonging to the institution), Khasan MAVLYANOV, Bahromjon ABDULAZIZOV, Ahror MAMADJANOV and Farruh ATAMUROTOV
Edition
Annals Of Physics, 2023, 0003-4916
Other information
Language
English
Type of outcome
Článek v odborném periodiku
Field of Study
10308 Astronomy
Country of publisher
United States of America
Confidentiality degree
není předmětem státního či obchodního tajemství
References:
RIV identification code
RIV/47813059:19630/23:A0000320
Organization unit
Institute of physics in Opava
UT WoS
001080052700001
Keywords in English
Acoutics;scalar;electromagnetic;perturbation;frequency
Tags
International impact, Reviewed
Links
EF18_053/0017871, research and development project.
Změněno: 16/2/2024 10:31, Mgr. Pavlína Jalůvková
Abstract
V originále
In this paper the electromagnetic and massive scalar perturbations of the Schwarzschild acoustic black hole are studied and their characteristic oscillation frequencies, so-called quasinormal modes are calculated. It has been shown that the odd-and evenparity electromagnetic perturbations are isospectral. We have shown that small value of a tuning parameter (xi < 2) of the acoustic black hole decreases the frequency and damping rate of perturbations. A quasi-resonance modes of the massive scalar perturbations that corresponds to possible maximum value of mass of the scalar field to generate the quasinormal modes have been determined. The mass of the scalar field makes the perturbations longer-lived. The time-domain analysis of the perturbations have shown that the acoustic black hole is stable against electromagnetic and scalar perturbations.