Fate of unoriented bosonic string after tachyon condensation

Details Fate of unoriented bosonic string after tachyon condensation Fate of unoriented bosonic string after tachyon condensation

1999-05-06

arxiv.org/abs/hep-th/9905044v3

Physics

High Energy Physics

High Energy Physics - Theory

12 pages, LaTeX file; v2 a few references added; v3 topological aspect is discussed. some terminology chage, and some referenc

Scientific paper

By a toroidal compactification with a vortex like configuration of tachyon fields, the unoriented bosonic string in 26 dimensions becomes equivalent to 10 dimensional string theory with gauge group $SO(32)\times G$ where $G$ has rank 16. The reduction from SO(8192) to SO(32) is induced by the action of non-abelian Wilson lines which twists the tachyon. The additional enhanced gauge symmetry $G$ appears from closed string sector by Frenkel-Kac construction. We also examine the consistency of the tachyon condensation.

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