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Quantum boundary currents for nonsimply-laced Toda theories
1996
Physics Letters B
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We study the quantum integrability of nonsimply--laced affine Toda theories defined on the half--plane and explicitly construct the first nontrivial higher--spin charges in specific examples. We find that, in contradistinction to the classical case, addition of total derivative terms to the "bulk" current plays a relevant role for the quantum boundary conservation.
doi:10.1016/0370-2693(95)01515-9
fatcat:7fmhbo3wwrhcze2cpbc7ixxopq