Tunneling between de Sitter and anti de Sitter black holes in a noncommutative D3-brane formalism

Details Tunneling between de Sitter and anti de Sitter black holes in a noncommutative D3-brane formalism Tunneling between de Sitter and anti de Sitter black holes in a noncommutative D3-brane formalism

2006-07-05

arxiv.org/abs/hep-th/0607029v1

Phys.Rev.D74:126002,2006

Physics

High Energy Physics

High Energy Physics - Theory

7-pages

Scientific paper

10.1103/PhysRevD.74.126002

We obtain dS and AdS generalized Reissner-Nordstrom like black hole geometries in a curved D3-brane frame-work, underlying a noncommutative gauge theory on the brane-world. The noncommutative scaling limit is explored to investigate a possible tunneling of an AdS vacuum in string theory to dS vacuum in its low energy gravity theory. The Hagedorn transition is invoked into its self-dual gauge theory to decouple the gauge nonlinearity from the dS geometry, which in turn is shown to describe a pure dS vacuum.

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