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  Superradiance of a charged scalar field coupled to the Einstein-Maxwell equations

Baake, O., & Rinne, O. (2016). Superradiance of a charged scalar field coupled to the Einstein-Maxwell equations. Physical Review D, 94: 124016. doi:10.1103/PhysRevD.94.124016.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-247F-8 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-2480-2
Genre: Journal Article

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1610.08352.pdf (Preprint), 468KB
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 Creators:
Baake, Olaf1, Author
Rinne, Oliver1, Author              
Affiliations:
1Geometric Analysis and Gravitation, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24012              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc
 Abstract: We consider the Einstein-Maxwell-Klein-Gordon equations for a spherically symmetric scalar field scattering off a Reissner-Nordstr\"om black hole in asymptotically flat spacetime. The equations are solved numerically using a hyperboloidal evolution scheme. For suitable frequencies of the initial data, superradiance is observed, leading to a substantial decrease of mass and charge of the black hole. We also derive a Bondi mass loss formula using the Kodama vector field and investigate the late-time decay of the scalar field.

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 Dates: 2016-10-262016
 Publication Status: Published in print
 Pages: 12 pages, 9 figures
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1610.08352
URI: http://arxiv.org/abs/1610.08352
DOI: 10.1103/PhysRevD.94.124016
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 94 Sequence Number: 124016 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258