Tachyon condensation using the disc partition function

David, Justin R (2001) Tachyon condensation using the disc partition function Journal of High Energy Physics, 2001 (07). 009-009. ISSN 1029-8479

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Official URL: http://doi.org/10.1088/1126-6708/2001/07/009

Related URL: http://dx.doi.org/10.1088/1126-6708/2001/07/009


It has been recently proposed that the background independent open superstring field theory action is given by the disc partition function with all possible open string operators inserted at the boundary of the disc. We use this proposal to study tachyon condensation in the D0-D2 system. We evaluate the disc partition function for the D0-D2 system in presence of a large Neveu-Schwarz B-field using perturbation theory. This perturbative expansion of the disc partition function makes sense as the boundary tachyon operator for the large Neveu-Schwarz B-field is almost marginal. We find that the mass defect for the formation of the D0-D2 bound state agrees exactly with the expected result in the large B-field limit.

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ID Code:117064
Deposited On:14 Apr 2021 09:23
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