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Horizon area bound and MOTS stability in locally rotationally symmetric solutions

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Title
Horizon area bound and MOTS stability in locally rotationally symmetric solutions
Author(s)
Abbas M Sherif; Dunsby, P.K.S.
Publication Date
2023-02
Journal
Classical and Quantum Gravity, v.40, no.4
Publisher
Institute of Physics
Abstract
In this paper, we study the stability of marginally outer trapped surfaces (MOTSs), foliating horizons of the form r = X ( τ ) , embedded in locally rotationally symmetric class II perfect fluid spacetimes. An upper bound on the area of stable MOTS is obtained. It is shown that any stable MOTS of the types considered in these spacetimes must be strictly stably outermost, that is, there are no MOTS ‘outside’ of and homologous to . Aspects of the topology of the MOTS, as well as the case when an extension is made to imperfect fluids, are discussed. Some non-existence results are also obtained. Finally, the ‘growth’ of certain matter and curvature quantities on certain unstable MOTS are provided under specified conditions. © 2023 IOP Publishing Ltd.
URI
https://pr.ibs.re.kr/handle/8788114/13109
DOI
10.1088/1361-6382/acb195
ISSN
0264-9381
Appears in Collections:
Center for Geometry and Physics(기하학 수리물리 연구단) > 1. Journal Papers (저널논문)
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