Constraints on the tachyon condensate from anomalous symmetries

TL;DR

This paper uses anomalous symmetries in cubic string field theory to derive relations between tachyon condensate coefficients, confirming previous level truncation results.

Contribution

It introduces a novel approach leveraging anomalous symmetries to analytically constrain tachyon condensate coefficients.

Findings

Derived relations consistent with level truncation results

Validated the use of anomalous symmetries in string field theory

Provided analytical insights into tachyon condensation

Abstract

Using anomalous symmetries of the cubic string field theory vertex we derive set of relations between the coefficients of the tachyon condensate. They are in agreement with the results obtained from level truncation approximation.