Marginal Deformations and Closed String Couplings in Open String Field Theory

@inproceedings{Fumie2004MarginalDA,
  title={Marginal Deformations and Closed String Couplings in Open String Field Theory},
  author={Fumie and Tomohiko and Syoji},
  year={2004}
}
  • Fumie, Tomohiko, Syoji
  • Published 2004
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… CONTINUE READING

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