D/antiD Dark Energy in String Warped Compactification

Details D/antiD Dark Energy in String Warped Compactification D/antiD Dark Energy in String Warped Compactification

2005-02-02

arxiv.org/abs/gr-qc/0502006v2

Phys.Rev.D71:107301,2005

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 2 eps figures, v2 revised version to be published in PRD

Scientific paper

10.1103/PhysRevD.71.107301

We study the evolution of relic D3-branes after the D3/\bd-brane inflation in string warped compactification. The motion of D3-branes can be frozen under certain condition during the radiation/matter domination. These D3-branes can not be released until the D3/\bd-branes potential energy becomes dominated at late time. Subsequently they will move towards to \bd-branes, which play the role of uplifting AdS minimum to dS minimum, near the apex of throats. The annihilation of D3/\bd-branes leads to the disappearance of dS vacua. This process may be regarded as a rapid decay channel of present dS vacua. We discuss the parameter spaces required by this process and calculate the decay time.

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