Analytic solutions for marginal deformations in open string field theory | Zendy

Michael Kiermaier | Zendy; Yuji Okawa | Zendy; Leonardo Rastelli | Zendy; Barton Zwiebach | Zendy

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Analytic solutions for marginal deformations in open string field theory

Author(s) -

Michael Kiermaier,

Yuji Okawa,

Leonardo Rastelli,

Barton Zwiebach

Publication year - 2008

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 - 10.1088/1126-6708/2008/01/028

Subject(s) - operator (biology) , wedge (geometry) , singularity , string (physics) , construct (python library) , mathematics , field (mathematics) , deformation (meteorology) , mathematical analysis , theoretical physics , pure mathematics , mathematical physics , physics , geometry , computer science , meteorology , programming language , biochemistry , chemistry , repressor , transcription factor , gene

We develop a calculable analytic approach to marginal deformations in openstring field theory using wedge states with operator insertions. For marginaloperators with regular operator products, we construct analytic solutions toall orders in the deformation parameter. In particular, we construct an exacttime-dependent solution that describes D-brane decay and incorporates allalpha' corrections. For marginal operators with singular operator products, weconstruct solutions by regularizing the singularity and adding counterterms. Weexplicitly carry out the procedure to third order in the deformation parameter.Comment: 34 pages, LaTeX2e, 1 figure; v2: minor corrections, version published in JHE

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