Conservation laws and tachyon potentials in the sliver frame

Abstract

Conservation laws have provided an elegant and efficient tool to evaluate the open string field theory interaction vertex, they have been originally implemented in the case where the string field is expanded in the Virasoro basis. In this work we derive conservation laws in the case where the string field is expanded in the so-called sliver ${\mathcal{L}}_0$-basis. As an application of these conservation laws derived in the sliver frame, we compute the open string field action relevant to the tachyon condensation and in order to present not only an illustration but also an additional information, we evaluate the action without imposing a gauge choice.

26 pages, some typos fixed, comments added, references added

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Cited by in corpus (8)

• Solutions from boundary condition changing operators in open superstring field theory
• Multibrane solutions in cubic superstring field theory
• Level truncation analysis of regularized identity based solutions
• Level truncation analysis of a simple tachyon vacuum solution in cubic superstring field theory
• Numerical solution for tachyon vacuum in the Schnabl gauge
• Numerical solution of open string field theory in Schnabl gauge
• Comments on real tachyon vacuum solution without square roots
• A singular one-parameter family of solutions in cubic superstring field theory