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Arbitrarily long-lived quasinormal modes in a wormhole background

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arxiv 1911.05246 v2 pith:ALWVJZDJ submitted 2019-11-13 gr-qc

M. S. Churilova , R. A. Konoplya , A. Zhidenko This is my paper
classification gr-qc
keywords modesarbitrarilybackgroundexistfieldfunctionlonglong-lived
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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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Cited by 3 Pith papers

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