Open string field theory without open strings
classification
✦ hep-th
keywords
openstringtheoryfieldvacuumabsenceapproximatearound
read the original abstract
Witten's cubic open string field theory is expanded around the perturbatively stable vacuum, including all scalar fields at levels 0, 2, 4 and 6. The (approximate) BRST cohomology of the theory is computed, giving strong evidence for the absence of physical open string states in this vacuum.
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