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Title: Stationary bound states of massless scalar fields around black holes and black hole analogues
Author: Benone, Carolina L.
Crispino, Luis C. B.
Herdeiro, Carlos A. R.
Radu, Eugen
Keywords: Black holes
Scalar fields
Analogue models
Issue Date: Aug-2015
Publisher: World Scientific Publishing
Abstract: We discuss stationary bound states, a.k.a. clouds, for a massless test scalar field around Kerr black holes (BHs) and spinning acoustic BH analogues. In view of the absence of a mass term, the trapping is achieved via enclosing the BH - scalar field system in a cavity and imposing Dirichlet or Neumann boundary conditions. We discuss the variation of these bounds states with the discrete parameters that label them, as well as their spatial distribution, complementing results in our previous work [C. L. Benone, L. C. B. Crispino, C. Herdeiro and E. Radu, Phys. Rev. D 91 (2015) 104038].
Peer review: yes
DOI: 10.1142/S0218271815420183
ISSN: 0218-2718
Appears in Collections:CIDMA - Artigos
DFis - Artigos
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