Logarithmic corrections to black hole entropy: the non-BPS branch

A bstract We compute the leading logarithmic correction to black hole entropy on the non-BPS branch of 4D N ≥ 2 supergravity theories. This branch corresponds to finite temperature black holes whose extremal limit does not preserve supersymmetry, such as the D 0 − D 6 system in string theory. Starti...

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Bibliographic Details
Published in:The journal of high energy physics 2018-05, Vol.2018 (5), p.1-46, Article 79
Main Authors: Castro, Alejandra, Godet, Victor, Larsen, Finn, Zeng, Yangwenxiao
Format: Article
Language:English
Subjects:
ASTRONOMY AND ASTROPHYSICS
Black holes
Black Holes in String Theory
Classical and Quantum Gravitation
Elementary Particles
Entropy
Extended Supersymmetry
High energy physics
Physics
Physics and Astronomy
PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Quantum Field Theories
Quantum Field Theory
Quantum Physics
Regular Article - Theoretical Physics
Relativity Theory
String Theory
Supergravity
Supersymmetry
Variation
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Summary:A bstract We compute the leading logarithmic correction to black hole entropy on the non-BPS branch of 4D N ≥ 2 supergravity theories. This branch corresponds to finite temperature black holes whose extremal limit does not preserve supersymmetry, such as the D 0 − D 6 system in string theory. Starting from a black hole in minimal Kaluza-Klein theory, we discuss in detail its embedding into N = 8 , 6, 4, 2 supergravity, its spectrum of quadratic fluctuations in all these environments, and the resulting quantum corrections. We find that the c -anomaly vanishes only when N ≥ 6 , in contrast to the BPS branch where c vanishes for all N ≥ 2 . We briefly discuss potential repercussions this feature could have in a microscopic description of these black holes.
ISSN:1029-8479
1029-8479
DOI:10.1007/JHEP05(2018)079