Conformal entropy for generalized gravity theories as a consequence of horizon properties

Journal Article · Sun May 15 00:00:00 EDT 2005 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.71.104032· OSTI ID:20709296

Cvitan, M; Pallua, S ^[1]

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1. Department of Theoretical Physics, Faculty of Natural Sciences and Mathematics, University of Zagreb, Bijenicka cesta 32, 10000 Zagreb (Croatia)

We show that a microscopic entropy formula based on Virasoro algebra follows from properties of stationary Killing horizons for Lagrangians with arbitrary dependence on Riemann tensor. The properties used are a consequence of regularity of invariants of Riemann tensor on the horizon. Eventual generalization of these results to Lagrangians with derivatives of Riemann tensor, as suggested by an example treated in the paper, relies on assuming regularity of invariants involving derivatives of Riemann tensor. This assumption however leads also to new interesting restrictions on metric functions near the horizon.

• OSTI ID: 20709296
• Journal Information: Physical Review. D, Particles Fields, Vol. 71, Issue 10; Other Information: DOI: 10.1103/PhysRevD.71.104032; (c) 2005 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRA
BLACK HOLES
CONFORMAL INVARIANCE
COSMOLOGY
ENTROPY
GRAVITATION
LAGRANGIAN FUNCTION
QUANTUM FIELD THEORY
TENSORS