Tachyon condensation and off-shell gravity/gauge duality

Abstract

We investigate quasilocal tachyon condensation by using gravity/gauge duality. In order to cure the IR divergence due to a tachyon, we introduce two regularization schemes: AdS space and a d=10 Schwarzschild black hole in a cavity. These provide stable canonical ensembles and thus are good candidates for the endpoint of tachyon condensation. Introducing the Cardy-Verlinde formula, we establish the on-shell gravity/gauge duality. We propose that the stringy geometry resulting from the off-shell tachyon dynamics matches onto the off-shell AdS black hole, where "off-shell" means non-equilibrium configuration. The instability induced by condensation of a tachyon behaves like an off-shell black hole and evolves toward a large stable black hole. The off-shell free energy and its derivative ($\beta$-function) are used to show the off-shell gravity/gauge duality for the process of tachyon condensation. Further, d=10 Schwarzschild black hole in a cavity is considered for the Hagedorn transition as a possible explanation of the tachyon condensation.

28 pages, 13 eps figures, version to appear in IJMPA

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Cited by in corpus (5)

• Black hole thermodynamics with generalized uncertainty principle
• Thermodynamics of Schwarzschild-de Sitter black hole: thermal stability of Nariai black hole
• Generalized free energy landscape of black hole phase transition
• Phase transitions for the topological de Sitter spaces and Schwarzschild-de Sitter black hole
• Phase transition between non-extremal and extremal Reissner-Nordström black holes