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A note on the evolution of arbitrary spin fields in the Schwarzschild-monopole spacetime

2008/01/14 by Qiyuan Pan, Jiliang Jing · 2 citations
Physics and Astronomy · #Astrophysical Phenomena and Observations #Black Holes and Theoretical Physics #Pulsars and Gravitational Waves Research #astro-ph #gr-qc #hep-th

paper · pdf · doi:10.1088/0264-9381/25/3/038002

published as Class.Quant.Grav.25:038002,2008 · 6 pages, 2 figures

openalex publication_date 2008/01/14 · arxiv created 2008/01/22 · arxiv updated 2009/12/01 · openalex created_date 2019/06/27 · openalex updated_date 2026/07/28

Abstract

The quasinormal modes (QNMs) and the late-time behavior of arbitrary spin fields are studied in the background of a Schwarzschild black hole with a global monopole (SBHGM). It has been shown that the real part of the QNMs for a SBHGM decreases as the symmetry breaking scale parameter H increases but imaginary part increases instead. For large overtone number n, these QNMs become evenly spaced and the spacing for the imaginary part equals to -i(1-H)3/2/(4M) which is dependent of H but independent of the quantum number l. It is surprisingly found that the late-time behavior is dominated by an inverse power-law tail t^-2[1+√(s+1/2)2+ (l-s)(l+s+1)/(1-H)] for each l, and as H→0 it reduces to the Schwarzschild case t-(2l+3) which is independent of the spin number s.

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