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Abstract: We show how to define Chern-Simons matter theories with boundary. Rather thanimposing boundary conditions, we introduce new boundary degrees of freedom fromthe beginning and show how they can be used to cancel the gauge non-invarianceof the Chern-Simons action. We apply this method to the ABJM theory withboundary. By imposing also boundary conformal invariance, we determine therequired boundary action. This result allows us to derive the action for themultiple self-dual strings living on M5-branes.



Autor: Chong-Sun Chu, Douglas J. Smith

Fuente: https://arxiv.org/



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