CHURILOVA, Maria, Roman KONOPLYA and A. ZHIDENKO. Arbitrarily long-lived quasinormal modes in a wormhole background. Physics Letters B. 2020, vol. 802, March, p. "135207-1"-"135207-5", 5 pp. ISSN 0370-2693. Available from: https://dx.doi.org/10.1016/j.physletb.2020.135207.
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Basic information
Original name Arbitrarily long-lived quasinormal modes in a wormhole background
Authors CHURILOVA, Maria (804 Ukraine, belonging to the institution), Roman KONOPLYA (804 Ukraine, belonging to the institution) and A. ZHIDENKO.
Edition Physics Letters B, 2020, 0370-2693.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 10308 Astronomy
Country of publisher Netherlands
Confidentiality degree is not subject to a state or trade secret
WWW URL
RIV identification code RIV/47813059:19630/20:A0000032
Organization unit Institute of physics in Opava
Doi http://dx.doi.org/10.1016/j.physletb.2020.135207
UT WoS 000515091400005
Keywords in English HOLE NORMAL-MODES; BLACK-HOLES
Tags FÚ, FÚ2020, GA19-03950S, RIV21
Tags International impact, Reviewed
Links GA19-03950S, research and development project.
Changed by Changed by: Mgr. Pavlína Jalůvková, učo 25213. Changed: 22/4/2021 14:14.
Abstract
Arbitrarily long lived modes, called quasi-resonances, are known to exist in the spectrum of massive fields for a number of black-hole backgrounds at some discrete values of mass of the field. Here we show that these modes also exist in the background of wormholes, unless a wormhole has a constant red-shift function, that is, tideless in the radial direction. The evidence of quasi-resonances is supported by calculations in the frequency and time domains, which are in a good concordance. At large masses of the field, time-domain profiles of the absolute value of the wave function have peculiar behavior: the long-lived modes dominate in the signal after a long period of power-law tails.
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