Toward Open-Closed String Theoretical Description of Rolling Tachyon
arXiv:hep-th/0306096 · doi:10.1103/PhysRevD.69.026008
Abstract
We consider how the time-dependent decay process of an unstable D-brane should be described in the full (quantum) open-closed string theory. It is argued that the system, starting from the unstable D-brane configuration, will evolve in time into the time-independent open string tachyon vacuum configuration which we assume to be finite, with the total energy conserved. As a concrete realization of this idea, we construct a toy model describing the open and closed string tachyons which admits such a time-dependent solution. The structure of our model has some resemblance to that of open-closed string field theory.
1+10 pages, 6 figures. v2: a reference added
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- Stable Exact Solutions in Cosmological Models with Two Scalar Fields
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- Rolling Tachyon Solution in Vacuum String Field Theory
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- Energy Flow from Open to Closed Strings in a Toy Model of Rolling Tachyon
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- Iterative method for solving nonlinear integral equations describing rolling solutions in String Theory