Generating Erler-Schnabl-type Solution for Tachyon Vacuum in Cubic Superstring Field Theory

Abstract

We study a new set of identity-based solutions to analyze the problem of tachyon condensation in open bosonic string field theory and cubic superstring field theory. Even though these identity-based solutions seem to be trivial, it turns out that after performing a suitable gauge transformation, we are left with the known Erler-Schnabl-type solutions which correctly reproduce the value of the D-brane tension. This result shows explicitly that how a seemingly trivial solution can generate a non-trivial configuration which precisely represents to the tachyon vacuum.

22 pages, references added, appendix added, 2 subsections added

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Cited by in corpus (8)

• On Gauge Equivalence of Tachyon Solutions in Cubic Neveu-Schwarz String Field Theory
• More on stubs in open string field theory
• Generalized states in SFT
• Sliver frame stubs in OSFT via auxiliary fields
• Numerical solution of open string field theory in Schnabl gauge
• Comments on real tachyon vacuum solution without square roots
• Comments on multibrane solutions in cubic superstring field theory
• $KBc$ algebra and the gauge invariant overlap in open string field theory