Reflection factors and exact g-functions for purely elastic scattering theories
classification
✦ hep-th
cond-mat.stat-mechmath-phmath.MP
keywords
boundaryconditionsconformalelasticexactfactorsg-functionspurely
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We discuss reflection factors for purely elastic scattering theories and relate them to perturbations of specific conformal boundary conditions, using recent results on exact off-critical g-functions. For the non-unitary cases, we support our conjectures using a relationship with quantum group reductions of the sine-Gordon model. Our results imply the existence of a variety of new flows between conformal boundary conditions, some of them driven by boundary-changing operators.
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Cited by 1 Pith paper
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