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6 papers
de Sitter Thermodynamics: A glimpse into non equilibrium
Rodrigo Aros
In this article is shown that the thermodynamical evolution of a Schwarzschild de Sitter space is the evaporation of its black hole. The result is extended in higher dimensions to…
Counting the negative eigenvalues of the thermalon in three dimensions
Rodrigo Aros, Andres Gomberoff, Alejandra Montecinos
Some years ago it was shown that the cosmological constant may be reduced by thermal production of membranes that, after nucleation, collapse into a black hole. The probability of…
Killing spinors on supersymmetric P-branes
Rodrigo Aros, Mauricio Romo
A class of p-brane solutions for supersymmetric gravity theories with negative cosmological constant are proposed and analyzed. The solutions are purely bosonic and contain a world…
Compactification in first order gravity
Rodrigo Aros, Mauricio Romo, Nelson Zamorano
The Kaluza-Klein compactification process is applied in five dimensions to CS gravity, for the anti-de Sitter and Poincaré groups, using the first order formalism. In this context…
Conformal Gravity from AdS/CFT mechanism
Rodrigo Aros, Mauricio Romo, Nelson Zamorano
We explicitly calculate the induced gravity theory at the boundary of an asymptotically Anti-de Sitter five dimensional Einstein gravity. We also display the action that encodes th…
Energy and Hamiltonian in first order gravity
Rodrigo Aros
In this work the definition of a quasilocal energy for four dimensional first order gravity is developed. Using this an action principle which is adequate for the canonical ensembl…