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Dirac quasinormal modes of the Reissner-Nordström de Sitter black hole

Lookup NU author(s): Professor Jiliang Jing

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Abstract

The quasinormal modes of the Reissner-Nordström de Sitter black hole for massless Dirac fields are studied using the Pöshl-Teller potential approximation. We find that the magnitude of the imaginary part of the quasinormal frequencies decreases as the cosmological constant or the orbital angular momentum increases, but it increases as the charge or the overtone number increases. An interesting feature is that the imaginary part is almost linearly related to the real part as the cosmological constant changes for a fixed charge, and the linearity becomes better as the orbital angular momentum increases. We also prove exactly that the Dirac quasinormal frequencies are the same for opposite chirality.

Publication metadata

Author(s): Jing J

Publication type: Article

Publication status: Published

Journal: Physical Review D

Year: 2004

Volume: 69

Issue: 8

ISSN (print): 0556-2821

ISSN (electronic): 1089-4918

Publisher: American Physical Society

URL: http://dx.doi.org/10.1103/PhysRevD.69.084009

DOI: 10.1103/PhysRevD.69.084009

Notes: Article no. 084009 8 pages

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