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Axion star collisions with black holes and neutron stars in full 3D numerical relativity

Abstract:

Axions are a potential dark matter candidate, which may condense and form self-gravitating compact objects, called axion stars (ASs). In this work, we study for the first time head-on collisions of relativistic ASs with black holes (BHs) and neutron stars (NSs). In the case of BH-AS mergers we find that, in general, the largest scalar clouds are produced by mergers of low compactness ASs and spinning BHs. Although in most of the cases which we study the majority of the mass is absorbed by the...

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

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Publisher copy:
10.1103/PhysRevD.98.083020

Authors


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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics
Subgroup:
Astrophysics
Dietrich, T More by this author
Niemeyer, J More by this author
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review D Journal website
Volume:
98
Issue:
8
Pages:
Article: 083020
Publication date:
2018-10-25
Acceptance date:
2018-10-22
DOI:
EISSN:
2470-0029
ISSN:
2470-0010
Pubs id:
pubs:942603
URN:
uri:7256430d-db6d-49a6-a55f-de7b6be47fdf
UUID:
uuid:7256430d-db6d-49a6-a55f-de7b6be47fdf
Local pid:
pubs:942603

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