Einstein-Gauss-Bonnet black holes in de Sitter spacetime and the quasilocal formalism
نویسنده
چکیده
We propose to compute the action and global charges of the asymptotically de Sitter solutions in Einstein-Gauss-Bonnet theory by using the counterterms method in conjunction with the quasilocal formalism. The general expression of the counterterms and the boundary stress tensor is presented for spacetimes of dimension d ≤ 7. We apply this tehnique for several different solutions in Einstein-GaussBonnet theory with a positive cosmological constant. Apart from known solutions, we consider also d = 5 vacuum rotating black holes with equal magnitude angular momenta.
منابع مشابه
Five-dimensional rotating black holes in Einstein-Gauss-Bonnet theory
We present arguments for the existence of five-dimensional rotating black holes with equal magnitude angular momenta in Einstein-Gauss-Bonnet theory with negative cosmological constant. These solutions posses a regular horizon of spherical topology and approach asymptotically an Anti-de Sitter spacetime background. We discuss the general properties of these solutions and, using an adapted count...
متن کاملGauss-Bonnet Black Holes in AdS Spaces
We study thermodynamic properties and phase structures of topological black holes in Einstein theory with a Gauss-Bonnet term and a negative cosmological constant. The event horizon of these topological black holes can be a hypersurface with positive, zero or negative constant curvature. When the horizon is a zero curvature hypersurface, the thermodynamic properties of black holes are completel...
متن کاملRadiating black hole solutions in Einstein-Gauss-Bonnet gravity
In this paper, we find some new exact solutions to the Einstein-Gauss-Bonnet equations. First, we prove a theorem which allows us to find a large family of solutions to the Einstein-Gauss-Bonnet gravity in n-dimensions. This family of solutions represents dynamic black holes and contains, as particular cases, not only the recently found Vaidya-Einstein-Gauss-Bonnet black hole, but also other ph...
متن کاملar X iv : h ep - t h / 03 11 02 0 v 1 4 N ov 2 00 3 USTC - ICTS - 03 - 5 Gauss - Bonnet Black Holes in dS Spaces
We study the thermodynamic properties associated with black hole horizon and cosmological horizon for the Gauss-Bonnet solution in de Sitter space. When the Gauss-Bonnet coefficient is positive, a locally stable small black hole appears in the case of spacetime dimension d = 5, the stable small black hole disappears and the Gauss-Bonnet black hole is always unstable quantum mechanically when d ...
متن کاملBlack objects in the Einstein-Gauss-Bonnet theory with negative cosmological constant and the boundary counterterm method
We propose to compute the action and global charges of the asymptotically antide Sitter solutions in Einstein-Gauss-Bonnet theory by adding boundary counterterms to the gravitational action. The general expression of the counterterms and the boundary stress tensor is presented for spacetimes of dimension d ≤ 9. We apply this tehnique for several different types of black objects. Apart from stat...
متن کامل