Quantum Matrix Models for Simple Current Orbifolds

Details Quantum Matrix Models for Simple Current Orbifolds Quantum Matrix Models for Simple Current Orbifolds

2003-10-31

arxiv.org/abs/hep-th/0310289v2

Nucl.Phys.B710:599-613,2005

Physics

High Energy Physics

High Energy Physics - Theory

31 pages, LaTeX; typos corrected, new elements added, the contents restructured

Scientific paper

10.1016/j.nuclphysb.2005.01.023

An algebraic formulation of the stringy geometry on simple current orbifolds of the WZW models of type A_N is developed within the framework of Reflection Equation Algebras, REA_q(A_N). It is demonstrated that REA_q(A_N) has the same set of outer automorphisms as the corresponding current algebra A^{(1)}_N which is crucial for the orbifold construction. The CFT monodromy charge is naturally identified within the algebraic framework. The ensuing orbifold matrix models are shown to yield results on brane tensions and the algebra of functions in agreement with the exact BCFT data.

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