English

D-branes and Closed String Field Theory

High Energy Physics - Theory 2008-11-26 v1

Abstract

We construct solitonic states in the OSp invariant string field theory, which are BRST invariant in the leading order of regularization parameter. One can show that these solitonic states describe D-branes and ghost D-branes, by calculating the scattering amplitudes.

Keywords

Cite

@article{arxiv.0804.1876,
  title  = {D-branes and Closed String Field Theory},
  author = {Nobuyuki Ishibashi and Yutaka Baba and Koichi Murakami},
  journal= {arXiv preprint arXiv:0804.1876},
  year   = {2008}
}

Comments

8 pages, 2 figures, based on an invited talk presented at the international workshop "Progress of String Theory and Quantum Field Theory" (Osaka City University, December 7-10, 2007), to be published in the proceedings

R2 v1 2026-06-21T10:29:56.327Z