Disk Partition Function and Oscillatory Rolling Tachyons

Details Disk Partition Function and Oscillatory Rolling Tachyons Disk Partition Function and Oscillatory Rolling Tachyons

2007-05-14

arxiv.org/abs/0705.1916v4

J.Phys.A41:015402,2008

Physics

High Energy Physics

High Energy Physics - Theory

17 pages, 2 figures. v4: discussion clarified, appendix added, conclusions unchanged; version to appear in J.Phys.A

Scientific paper

10.1088/1751-8113/41/1/015402

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.

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