Split String Formalism and the Closed String Vacuum, II

Details Split String Formalism and the Closed String Vacuum, II Split String Formalism and the Closed String Vacuum, II

2006-12-06

arxiv.org/abs/hep-th/0612050v2

JHEP 0705:084,2007

Physics

High Energy Physics

High Energy Physics - Theory

16 pages, 2 figures. Added discussion of cohomology

Scientific paper

10.1088/1126-6708/2007/05/084

In this paper we consider a class of generalizations of Schnabl's solution of open bosonic string field theory obtained by replacing the wedge state by an arbitrary combination of wedge states. We find that under a few modest conditions such generalizations give a sensible deformation of Schnabl's solution for the closed string vacuum--in particular, we can compute their energies and show that they reproduce the value predicted by Sen's conjecture. Though these solutions are apparently gauge equivalent, they are not in general related by midpoint-preserving reparameterizations.

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