Mirage cosmology with an unstable probe D3-brane

Details Mirage cosmology with an unstable probe D3-brane Mirage cosmology with an unstable probe D3-brane

2005-02-15

arxiv.org/abs/hep-th/0502130v2

Phys.Rev.D72:087503,2005

Physics

High Energy Physics

High Energy Physics - Theory

11 pages, improved presentation with some clarifications, typos corrected, references added

Scientific paper

10.1103/PhysRevD.72.087503

We consider the mirage cosmology by an unstable probe brane whose action is
represented by BDI action with tachyon. We study how the presence of tachyon
affects the evolution of the brane inflation. At the early stage of the brane
inflation, the tachyon kinetic term can play an important role in curing the
superluminal expansion in mirage cosmology.

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