Analytical tachyonic lump solutions in open superstring field theory | Zendy

Isao Kishimoto | Zendy; Tomohiko Takahashi | Zendy

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Analytical tachyonic lump solutions in open superstring field theory

Author(s) -

Isao Kishimoto,

Tomohiko Takahashi

Publication year - 2006

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 - 10.1088/1126-6708/2006/01/013

Subject(s) - superstring theory , physics , tachyonic field , brane , string field theory , mathematical physics , field (mathematics) , d brane , theoretical physics , string (physics) , supersymmetry , gauge theory , mathematics , pure mathematics , gauge boson , higgs mechanism

We construct a classical solution in the GSO(-) sector in the framework of aWess-Zumino-Witten-like open superstring field theory on a non-BPS D-brane. Weuse an su(2) supercurrent, which is obtained by compactifying a direction to acircle with the critical radius, in order to get analytical tachyonic lumpsolutions to the equation of motion. By investigating the action expandedaround a solution we find that it represents a deformation from a non-BPSD-brane to a D-brane-anti-D-brane system at the critical value of a parameterwhich is contained in classical solutions. Although such a process wasdiscussed in terms of boundary conformal field theory before, our study isbased on open superstring field theory including interaction terms.Comment: 17 pages, references adde

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