Taming the Tachyon in Cubic String Field Theory

Abstract

We give evidence based on level-truncation computations that the rolling tachyon in cubic open string field theory (CSFT) has a well-defined but wildly oscillatory time-dependent solution which goes as $e^t$ for $t\to -\infty$. We show that a field redefinition taking the CSFT effective tachyon action to the analogous boundary string field theory (BSFT) action takes the oscillatory CSFT solution to the pure exponential solution $e^t$ of the BSFT action.

29 pages, 7 eps figures, in JHEP style

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Cited by in corpus (34)

• Towards a Resolution of the Cosmological Singularity in Non-local Higher Derivative Theories of Gravity
• Localization of nonlocal theories
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