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One-loop Correction of the Tachyon Action in Boundary Superstring Field Theory | Mohsen Alishahiha
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19 Apr 2001 | Journal: | Phys.Lett. B510 (2001) 285-294 | Subject: | hep-th | Abstract: | We compute one-loop correction to the string field theory action of the tachyon for unstable D-branes in the framework of the boundary superstring field theory. We would expect that the one-loop correction comes from the partition function of the two-dimensional world-sheet theory on the annulus. The annulus correction suggests that the genus expansion is, somehow, governed by the effective string coupling defined in terms of the tachyon lambda=g_s exp(-T^2/4). | Source: | arXiv, hep-th/0104164 | Services: | Forum | Review | PDF | Favorites |
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