Hairy black holes in a box

A bstract We do a systematic study of the phases of gravity coupled to an electromagnetic field and charged scalar in flat space, with box boundary conditions. The scalar-less box has previously been investigated by Braden, Brown, Whiting and York (and others) before AdS/CFT and we elaborate and ext...

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Bibliographic Details
Published in:The journal of high energy physics 2016-11, Vol.2016 (11), p.1-24, Article 41
Main Authors: Basu, Pallab, Krishnan, Chethan, Subramanian, P. N. Bala
Format: Article
Language:English
Subjects:
Black holes
Black holes (astronomy)
Classical and Quantum Gravitation
Electromagnetic fields
Elementary Particles
Gravitation
High energy physics
Mathematical analysis
Phase diagrams
Phases
Physics
Physics and Astronomy
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
Scalars
String Theory
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Summary:A bstract We do a systematic study of the phases of gravity coupled to an electromagnetic field and charged scalar in flat space, with box boundary conditions. The scalar-less box has previously been investigated by Braden, Brown, Whiting and York (and others) before AdS/CFT and we elaborate and extend their results in a language more familiar from holography. The phase diagram of the system is analogous to that of AdS black holes, but we emphasize the differences and explain their origin. Once the scalar is added, we show that the system admits both boson stars as well as hairy black holes as solutions, providing yet another way to evade flat space no-hair theorems. Furthermore both these solutions can exist as stable phases in regions of the phase diagram. The final picture of the phases that emerges is strikingly similar to that found recently for holographic superconductors in global AdS, arXiv:1602.07211 . Our construction lays bare certain previously unnoticed subtleties associated to the definition quasi-local charges for gravitating scalar fields in finite regions.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP11(2016)041