Trimming the Tachyon String Field with SU(1,1)

Abstract

A discrete symmetry of the string field tachyon condensate noted by Hata and Shinohara is identified as a discrete subgroup of an SU(1,1) symmetry acting on the ghost coordinates. This symmetry, known from early studies of free gauge invariant string field actions, extends to off-shell interactions only for very restricted kinds of string vertices, among them the associative vertex of cubic string field theory. It follows that the string field relevant for tachyon condensation can be trimmed down to SU(1,1) singlets.

11 pages, LaTeX

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Cited by in corpus (17)

• A Review on Tachyon Condensation in Open String Field Theories
• Decay of Unstable D-branes with Electric Field
• Experimental String Field Theory
• Analytical Solutions of Open String Field Theory
• String Field Theory Around the Tachyon Vacuum
• Tachyon Condensation: Calculations in String Field Theory
• Analytic solution for tachyon condensation in open string field theory
• Classical Solutions in String Field Theory Around the Tachyon Vacuum
• Constraints on the tachyon condensate from anomalous symmetries
• Gauge Invariance and Tachyon Condensation in Open String Field Theory
• The Spectrum of Open String Field Theory at the Stable Tachyonic Vacuum
• Gauge Invariance and Tachyon Condensation in Cubic Superstring Field Theory
• Fermionic Ghosts in Moyal String Field Theory
• Quantum Corrections in p-adic String Theory
• BCFT moduli space in level truncation
• Level Truncation Approach to Open String Field Theory
• Fundamental String Solutions in Open String Field Theories