Dirichlet Boundary Conditions in Generalized Liouville Theory toward a QCD String

Details Dirichlet Boundary Conditions in Generalized Liouville Theory toward a QCD String Dirichlet Boundary Conditions in Generalized Liouville Theory toward a QCD String

2000-04-25

arxiv.org/abs/hep-th/0004172v4

Prog.Theor.Phys. 104 (2000) 809-826

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, Latex. Typos corrected. The final version for Prog.Theor.Phys

Scientific paper

10.1143/PTP.104.809

We consider bosonic noncritical strings as QCD strings and we present a basic strategy to construct them in the context of Liouville theory. We show that Dirichlet boundary conditions play important roles in generalized Liouville theory. Specifically, they are used to stabilize the classical configuration of strings and also utilized to treat tachyon condensation in our model. We point out that Dirichlet boundary conditions for the Liouville mode maintains Weyl invariance, if an appropriate condition is satisfied, in the background with a (non-linear) dilaton.

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