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Reflection coefficient for superresonant scattering

Soumen Basak and Parthasarathi Majumdar1

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We investigate superresonant scattering of acoustic disturbances from a rotating acoustic black hole in the low-frequency range. We derive an expression for the reflection coefficient, exhibiting its frequency dependence in this regime.


PACS

04.70.-s Physics of black holes

04.60.-m Quantum gravity

MSC

83C57 Black holes

Subjects

Gravitation and cosmology

Dates

Issue 13 (7 July 2003)

Received 14 March 2003

Published 12 June 2003



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