Open String Field Theory around Universal Solutions

Kishimoto, Isao; Takahashi, Tomohiko

doi:10.1143/ptp.108.591

Cited by 54 publications

(131 citation statements)

References 16 publications

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“…They derived them from a shift by a formal classical solution of open cubic string field theory, and in [9] it was shown that for a certain function f the cohomology is trivial (at ghost number one).…”

Section: Discussionmentioning

confidence: 99%

On different actions for the vacuum of bosonic string field theory

Drukker

2003

J. High Energy Phys.

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We study a family of kinetic operators in string field theory describing the theory around the closed string vacuum. Those operators are based on the analytical classical solutions of Takahashi and Tanimoto and are analogous to the pure ghost action usually referred to as "vacuum string field theory," but are much more general, and less singular than the pure ghost operator. The closed string vacuum is related to the D-brane vacuum by large, singular, gauge transformations or field redefinition, and all those different representations are related to each other by small gauge transformations. We try to clarify the nature of this singular gauge transformation. We also show that by choosing the Siegel gauge one recovers the propagator proposed in hep-th/0207266 that generates closed string surfaces.

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Section: Discussionmentioning

confidence: 99%

On different actions for the vacuum of bosonic string field theory

Drukker

2003

J. High Energy Phys.

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“…There was another class of papers [39][40][41], which attempted to find systematic analytic approximations to the exact solutions. Unfortunately, none of the above papers succeeded in proving Sen's conjectures perhaps with the exception of the third conjecture [42][43][44]. It is the goal of the present paper to provide the first nonsingular solution and prove Sen's first conjecture.…”

Section: Introductionmentioning

confidence: 89%

Analytic solution for tachyon condensation in open string field theory

Schnabl¹

2006

Advances in Theoretical and Mathematical Physics

298

864

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We propose a new basis in Witten's open string field theory, in which the star product simplifies considerably. For a convenient choice of gauge, the classical string field equation of motion yields straightforwardly an exact analytic solution that represents the nonperturbative tachyon vacuum. The solution is given in terms of Bernoulli numbers and the equation of motion can be viewed as novel Euler-Ramanujan-type identity. It turns out that the solution is the Euler-Maclaurin asymptotic expansion of a sum over wedge states with certain insertions. This new form is fully regular from the point of view of level truncation. By computing the energy difference between the perturbative and nonperturbative vacua, we prove analytically Sen's first conjecture.e-print archive: http://lanl.arXiv.org/abs/hep-th/0511286 MARTIN SCHNABL Contents

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“…The appropriate one seems to be b 0 Φ = 0. cohomology is trivial [9]. Using that as the starting point one finds that apart for the usual energy momentum tensor there is an extra ghost contribution appropriate for the twisted b, c system with central charge −2.…”

Section: Feynman Rulesmentioning

confidence: 97%

Closed string amplitudes from gauge fixed string field theory

Drukker

2003

Phys. Rev. D

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Closed string diagrams are derived from cubic open string field theory using a gauge fixed kinetic operator. The basic idea is to use a string propagator that does not generate a boundary to the world sheet. Using this propagator and the closed string vertex, the moduli space of closed string surfaces is covered, so closed string scattering amplitudes should be reproduced. This kinetic operator could be a gauge fixed form of the string field theory action around the closed string vacuum. * Electronic address: drukker@weizmann.ac.il 2

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Open String Field Theory around Universal Solutions

Cited by 54 publications

References 16 publications

On different actions for the vacuum of bosonic string field theory

On different actions for the vacuum of bosonic string field theory

Analytic solution for tachyon condensation in open string field theory

Closed string amplitudes from gauge fixed string field theory

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