Axion hair for Kerr black holes

Bruce A. Campbell; M. J. Duncan; Nemanja Kaloper; Keith A. Olive

doi:10.1016/0370-2693(90)90227-W

Axion hair for Kerr black holes

Bruce A. Campbell
, M. J. Duncan
, Nemanja Kaloper
, Keith A. Olive

Physics and Astronomy (Twin Cities)

Research output: Contribution to journal › Article › peer-review

106 Scopus citations

Abstract

We consider axion fields with Lorentz Chern-Simons coupling to gravity. In Kerr black hole background metrics this coupling gives a non-vanishing source term for the axion field. For the case of a slowly rotating black hole, we explicitly calculate the long range axion field strength "hair" produced. We believe that this represents the first known example of stable, dynamical, non-gauge "hair" exhibited by a black hole.

Original language	English (US)
Pages (from-to)	34-38
Number of pages	5
Journal	Physics Letters B
Volume	251
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(90)90227-W
State	Published - Nov 8 1990

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10.1016/0370-2693(90)90227-W

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title = "Axion hair for Kerr black holes",

abstract = "We consider axion fields with Lorentz Chern-Simons coupling to gravity. In Kerr black hole background metrics this coupling gives a non-vanishing source term for the axion field. For the case of a slowly rotating black hole, we explicitly calculate the long range axion field strength {"}hair{"} produced. We believe that this represents the first known example of stable, dynamical, non-gauge {"}hair{"} exhibited by a black hole.",

author = "Campbell, \{Bruce A.\} and Duncan, \{M. J.\} and Nemanja Kaloper and Olive, \{Keith A.\}",

year = "1990",

month = nov,

day = "8",

doi = "10.1016/0370-2693(90)90227-W",

language = "English (US)",

volume = "251",

pages = "34--38",

journal = "Physics Letters B",

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T1 - Axion hair for Kerr black holes

AU - Campbell, Bruce A.

AU - Duncan, M. J.

AU - Kaloper, Nemanja

AU - Olive, Keith A.

PY - 1990/11/8

Y1 - 1990/11/8

N2 - We consider axion fields with Lorentz Chern-Simons coupling to gravity. In Kerr black hole background metrics this coupling gives a non-vanishing source term for the axion field. For the case of a slowly rotating black hole, we explicitly calculate the long range axion field strength "hair" produced. We believe that this represents the first known example of stable, dynamical, non-gauge "hair" exhibited by a black hole.

AB - We consider axion fields with Lorentz Chern-Simons coupling to gravity. In Kerr black hole background metrics this coupling gives a non-vanishing source term for the axion field. For the case of a slowly rotating black hole, we explicitly calculate the long range axion field strength "hair" produced. We believe that this represents the first known example of stable, dynamical, non-gauge "hair" exhibited by a black hole.

UR - https://www.scopus.com/pages/publications/0002658390

UR - https://www.scopus.com/pages/publications/0002658390#tab=citedBy

U2 - 10.1016/0370-2693(90)90227-W

DO - 10.1016/0370-2693(90)90227-W

M3 - Article

AN - SCOPUS:0002658390

SN - 0370-2693

VL - 251

SP - 34

EP - 38

JO - Physics Letters B

JF - Physics Letters B

IS - 1

ER -

Axion hair for Kerr black holes

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