Transition of Schwarzschild-de Sitter space to de Sitter space through tunneling

Details Transition of Schwarzschild-de Sitter space to de Sitter space through tunneling Transition of Schwarzschild-de Sitter space to de Sitter space through tunneling

2009-11-28

arxiv.org/abs/0911.5376v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

Scientific paper

We revisit the Parikh-Wilczek tunneling through the de Sitter horizon and obtain a new tunneling rate in Schwarzschild-de Sitter space, which is different from the previous. The present tunneling rate is also non-thermal and closely related to the change of entropy. We discuss the thermodynamics of Schwarzschild-de Sitter space and show existence of correlation and the total entropy being conserved in the tunneling process. We also point out that our tunneling process can lead to the accelerated expanding universe. The correlation and conserved entropy enlighten a way to explain the entropy in empty de Sitter space.

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