Marginal Deformations and Closed String Couplings in Open String Field Theory

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We investigate analytic classical solutions in open string field theory which are constructed in terms of marginal operators. In the classical background, we evaluate a coupling between an on-shell closed string state and the open string field. The resulting coupling exhibits periodic behavior as expected from the marginal boundary deformation of background Wilson lines or a marginal tachyon lump. We confirm that the solutions in open string field theory correspond to a class of marginal deformations in conformal field theory.
17 pages

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High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/184490

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/hep-th/0409249
 http://arxiv.org/abs/hep-th/0409249
 JHEP0411:050,2004
 doi:10.1088/1126-6708/2004/11/050

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arXiv