Real-time D-brane condensation

Details Real-time D-brane condensation Real-time D-brane condensation

2003-01-15

arxiv.org/abs/hep-th/0301101v2

Phys.Lett. B564 (2003) 255-260

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, 5 figures; added reference to hep-th/0207105

Scientific paper

10.1016/S0370-2693(03)00655-5

Unstable D-branes or brane-antibrane systems can decay to lower-dimensional branes. In the effective field theory description, the final state branes are defects in the tachyon field which describes the initial instability. We study the dynamical formation of codimension one defects (kinks) using Sen's ansatz for the tachyon Lagrangian. It is shown that the slope of the kink diverges within a finite amount of time after the tachyon starts to roll. We discuss the relevance for reheating after brane-antibrane inflation.

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