The Open Descendants of Non-Diagonal SU(2) WZW Models

Abstract

We extend the construction of open descendants to the $SU(2)$ WZW models with non-diagonal left-right pairing, namely $E_7$ and the $D_{odd}$ series in the $ADE$ classification of Cappelli, Itzykson and Zuber. The structure of the resulting models is determined to a large extent by the ``crosscap constraint'', while their Chan-Paton charge sectors may be embedded in a general fashion into those of the corresponding diagonal models.

14 pages, latex, 1 figure

References in corpus (3)

• Planar Duality in $SU(2)$ WZW Models
• Sewing Constraints and Non-Orientable Open Strings
• On Structure Constants of $sl(2)$ Theories

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