Disk Partition Function and Oscillatory Rolling Tachyons
arXiv:0705.1916 · doi:10.1088/1751-8113/41/1/015402
Abstract
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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- Electrostatics of Coulomb gas, lattice paths, and discrete polynuclear growth
- Electrostatics approach to closed string pair production from a decaying D-brane
- The Partition Function of a Multi-Component Coulomb Gas on a Circle
- High-energy asymptotics of D-brane decay amplitudes from Coulomb gas electrostatics