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Black hole formation from axion stars

Abstract:

The classical equations of motion for an axion with potential V(phgr)=ma2fa2 [1−cos (phgr/fa)] possess quasi-stable, localized, oscillating solutions, which we refer to as ``axion stars''. We study, for the first time, collapse of axion stars numerically using the full non-linear Einstein equations of general relativity and the full non-perturbative cosine potential. We map regions on an ``axion star stability diagram", parameterized by the initial ADM mass, MADM, and axion decay constant, fa...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted Manuscript

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Publisher copy:
10.1088/1475-7516/2017/03/055

Authors


Marsh, DJE More by this author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Astrophysics
Fairbairn, M More by this author
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Publisher:
IOP Publishing Publisher's website
Journal:
Journal of Cosmology and Astroparticle Physics Journal website
Volume:
2017
Issue:
03
Pages:
055-055
Publication date:
2017-03-29
Acceptance date:
2017-03-02
DOI:
ISSN:
1475-7516
Pubs id:
pubs:942608
URN:
uri:f551408c-5115-4096-8c1e-163280b86eb6
UUID:
uuid:f551408c-5115-4096-8c1e-163280b86eb6
Local pid:
pubs:942608

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