On the general action of boundary (super)string field theory

Akira Ishida, Shunsuke Teraguchi

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)


We reconstruct boundary superstring field theory via boundary states. After a minor modification of the fermionic two-form, all the equations needed for Batalin-Vilkovisky formulation are simply represented by closed string oscillators and the proof of gauge invariance is drastically simplified. The general form of the action of boundary superstring field theory is also obtained without any assumption and found to take exactly the same form as the bosonic one. As a special case of this action, we revisit the conjecture that the action is simply given by the disk partition function when matter and ghosts are completely decoupled.

Original languageEnglish
Article number020
JournalJournal of High Energy Physics
Issue number7
Publication statusPublished - 2008 Jul 1


  • String field theory
  • Superstrings and heterotic strings
  • Tachyon condensation

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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