Boundary states for WZW models
Matthias R Gaberdiel, Terry Gannon
TL;DR
This paper determines boundary states for a class of WZW models, providing explicit formulas and analyzing properties of the associated NIM-reps, advancing understanding of boundary conditions in conformal field theories.
Contribution
It introduces explicit boundary state formulas for WZW models linked to Dynkin diagram symmetries, enhancing the theoretical framework of boundary conformal field theory.
Findings
Explicit boundary state coefficients derived
Properties of NIM-reps analyzed
Applicable to models with Dynkin diagram symmetries
Abstract
The boundary states for a certain class of WZW models are determined. The models include all modular invariants that are associated to a symmetry of the unextended Dynkin diagram. Explicit formulae for the boundary state coefficients are given in each case, and a number of properties of the corresponding NIM-reps are derived.
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