Tachyon solutions in boundary and open string field theory

Giuseppe Nardelli, Gianluca Calcagni

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28 Citazioni (Scopus)

Abstract

We construct rolling tachyon solutions of open and boundary string field theory (OSFT and BSFT, respectively), in the bosonic and supersymmetric (susy) case. The wildly oscillating solution of susy OSFT is recovered, together with a family of time-dependent BSFT solutions, for the bosonic and susy string. These are parametrized by an arbitrary constant r involved in solving the Green equation of the target fields. When r=0 we recover previous results in BSFT, whereas for r attaining the value predicted by OSFT it is shown that the bosonic OSFT solution is the derivative of the boundary one; in the supersymmetric case the relation between the two solutions is more complicated. This technical correspondence sheds some light on the nature of wild oscillations, which appear in both theories whenever r>0. © 2008 The American Physical Society.
Lingua originaleEnglish
pagine (da-a)N/A-N/A
Numero di pagine126010
RivistaPHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY
Volume78
DOI
Stato di pubblicazionePubblicato - 2008

Keywords

  • rolling tachyons

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