D-branes in unoriented non-critical strings and duality in SO(N) and Sp(N) gauge theories | Zendy

Sujay K. Ashok | Zendy; Sameer Murthy | Zendy; Jan Troost | Zendy

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D-branes in unoriented non-critical strings and duality in SO(N) and Sp(N) gauge theories

Author(s) -

Sujay K. Ashok,

Sameer Murthy,

Jan Troost

Publication year - 2007

Publication title -

journal of high energy physics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.998

H-Index - 261

eISSN - 1126-6708

pISSN - 1029-8479

DOI - 10.1088/1126-6708/2007/06/047

Subject(s) - physics , superstring theory , monodromy , gauge theory , string (physics) , duality (order theory) , conformal field theory , mathematical physics , theoretical physics , brane cosmology , t duality , conformal map , string theory , boundary conformal field theory , boundary value problem , pure mathematics , mathematics , supersymmetry , geometry , quantum mechanics , robin boundary condition , free boundary problem

We exhibit exact conformal field theory descriptions of SO(N) and Sp(N) pairsof Seiberg-dual gauge theories within string theory. The N=1 gauge theorieswith flavour are realized as low energy limits of the worldvolume theories onD-branes in unoriented non-critical superstring backgrounds. These unorientedbackgrounds are obtained by constructing exact crosscap states in theSL(2,R)/U(1) coset conformal field theory using the modular bootstrap method.Seiberg duality is understood by studying the behaviour of the boundary andcrosscap states under monodromy in the closed string parameter space.Comment: 23 pages, 2 figure

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