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Action Integrals and Partition Functions in Quantum Gravity
- G. Gibbons, S. Hawking
- Physics
- 15 May 1977
One can evaluate the action for a gravitational field on a section of the complexified spacetime which avoids the singularities. In this manner we obtain finite, purely imaginary values for the…
Cosmological Event Horizons, Thermodynamics, and Particle Creation
- G. Gibbons, S. Hawking
- Physics
- 15 May 1977
It is shown that the close connection between event horizons and thermodynamics which has been found in the case of black holes can be extended to cosmological models with a repulsive cosmological…
4-Dimensional black holes from Kaluza-Klein theories
- P. Breitenlohner, D. Maison, G. Gibbons
- Mathematics
- 1 June 1988
In this paper we consider generalizations in 4 dimensions of the Einstein-Maxwell equations which typically arise from Kaluza-Klein theories. We specify conditions such that stationary solutions lead…
Black holes and critical points in moduli space
- S. Ferrara, G. Gibbons, R. Kallosh
- Physics, Mathematics
- 13 February 1997
The first law of thermodynamics for Kerr–anti-de Sitter black holes
- G. Gibbons, M. Perry, C. Pope
- Physics
- 30 August 2004
We obtain expressions for the mass and angular momenta of rotating black holes in anti-de Sitter backgrounds in four, five and higher dimensions. We verify explicitly that our expressions satisfy the…
Gravitational Multi - Instantons
- G. Gibbons, S. Hawking
- Mathematics
- 9 October 1978
Black hole enthalpy and an entropy inequality for the thermodynamic volume
- M. Cvetič, G. Gibbons, D. Kubizňák, C. Pope
- Physics
- 13 December 2010
In a theory where the cosmological constant $\Lambda$ or the gauge coupling constant $g$ arises as the vacuum expectation value, its variation should be included in the first law of thermodynamics…
Black Holes and Membranes in Higher Dimensional Theories with Dilaton Fields
- G. Gibbons, K. Maeda
- Physics
- 21 March 1988
Classification of Gravitational Instanton symmetries
- G. Gibbons, S. Hawking
- Mathematics, Physics
- 1 October 1979
We classify the action of one parameter isometry groups of Gravitational Instantons, complete non singular positive definite solutions of the Einstein equations with or without Λ term. The fixed…
The General Kerr-de Sitter metrics in all dimensions
- G. Gibbons, H. Lu, D. Page, C. Pope
- Mathematics
- 1 April 2004
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