Self-tuning of cosmological constant and exit from inflation

Details Self-tuning of cosmological constant and exit from inflation Self-tuning of cosmological constant and exit from inflation

2004-02-04

arxiv.org/abs/hep-ph/0402043v1

Mod.Phys.Lett. A19 (2004) 1039-1046

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex file of 8 pages, including 2 figures. Talk presented at COSPA-03, Taipei, Taiwan, Nov. 13-15, 2003

Scientific paper

10.1142/S0217732304014343

I review the recent 5D self-tuning solutions of the cosmological constant problem, and try to unify two cosmological constant problems within the framework of the self-tuning solutions. One problem, the large cosmological constant needed for inflation, is interpreted by starting with the parameters allowing only the dS vacuum, and the vanishing cosmological constant at a true vacuum is realized by changing parameters by exit from inflation at the brane such that the self-tuning solution is allowed.

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