Closed String S-matrix Elements in Open String Field Theory | Zendy

Mohammad R. Garousi | Zendy; Gholam Reza Maktabdaran | Zendy

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Closed String S-matrix Elements in Open String Field Theory

Author(s) -

Mohammad R. Garousi,

Gholam Reza Maktabdaran

Publication year - 2005

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2005/03/048

Subject(s) - string field theory , non critical string theory , physics , type i string theory , string (physics) , matrix (chemical analysis) , open string , string cosmology , relationship between string theory and quantum field theory , heterotic string theory , theoretical physics , string phenomenology , invariant (physics) , mathematics , pure mathematics , mathematical physics , quantum mechanics , quantum gravity , quantum , materials science , composite material

We study the S-matrix elements of the gauge invariant operators correspondingto on-shell closed strings, in open string field theory. In particular, wecalculate the tree level S-matrix element of two ${\it arbitrary}$ closedstrings, and the S-matrix element of one closed string and two open strings. Bymapping the world-sheet of these amplitudes to the upper half $z$-plane, and byevaluating explicitly the correlators in the ghost part, we show that theseS-matrix elements are ${\it exactly}$ identical to the corresponding disk levelS-matrix elements in perturbative string theory.Comment: 18 pages, 8 figures, Latex file; the version appears in JHE

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