Disk Partition Function and Oscillatory Rolling Tachyons

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An exact cubic open string field theory rolling tachyon solution was recently found by Kiermaier et. al. and Schnabl. This oscillatory solution has been argued to be related by a field redefinition to the simple exponential rolling tachyon deformation of boundary conformal theory. In the latter approach, the disk partition function takes a simple form. Out of curiosity, we compute the disk partition function for an oscillatory tachyon profile, and find that the result is nevertheless almost the same.
17 pages, 2 figures. v4: discussion clarified, appendix added, conclusions unchanged; version to appear in J.Phys.A

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/192566

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0705.1916
 http://arxiv.org/abs/0705.1916
 J.Phys.A41:015402,2008
 doi:10.1088/1751-8113/41/1/015402

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arXiv