On open-closed extension of boundary string field theory

Akira Ishida, Shunsuke Teraguchi

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1 Citation (Scopus)


We investigate a classical open-closed string field theory whose open string sector is given by boundary string field theory. The open-closed interaction is introduced by the overlap of a boundary state with a closed string field. With the help of the Batalin-Vilkovisky formalism, the closed string sector is determined to be the HIKKO closed string field theory. We also discuss the gauge invariance of this theory in both open and closed string sides.

Original languageEnglish
Article number59
JournalJournal of High Energy Physics
Issue number7
Publication statusPublished - 2012
Externally publishedYes


  • Bosonic strings
  • String field theory
  • Tachyon condensation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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