Gauge Invariant Overlaps for Identity-Based Marginal Solutions
arXiv:1307.1203 · doi:10.1093/ptep/ptt073
Abstract
We investigate identity-based solutions associated with marginal deformations in open string field theory. We find that the identity-based marginal solutions can be represented as a difference of wedge-based solutions plus an integration of a deformed BRST exact state. Using this expression, the gauge invariant overlap can be calculated analytically for the identity-based solutions. Moreover, we show that, by gauge transformation, the overlap is transformed into a disk correlation function with the integrations of currents at the boundary.
12 pages; v2:minor corrections
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Cited by in corpus (5)
- Comments on Takahashi-Tanimoto's scalar solution
- Numerical Solutions of Open String Field Theory in Marginally Deformed Backgrounds
- Deriving on-shell open string field amplitudes without using Feynman rules
- Gauge invariant observables from Takahashi-Tanimoto scalar solutions in open string field theory
- Renormalization schemes for SFT solutions