The commutator algebra of the currents for two-dimensional scale invariant sigma models on homogeneous spaces is constructed. The central extensions of the Kac-Moody algebras and the central charge of the Virasoro algebra associated with the energy-momentum tensor are computed.
Current algebra in sigma models on homogeneous spaces
GUADAGNINI, ENORE
1987-01-01
Abstract
The commutator algebra of the currents for two-dimensional scale invariant sigma models on homogeneous spaces is constructed. The central extensions of the Kac-Moody algebras and the central charge of the Virasoro algebra associated with the energy-momentum tensor are computed.File in questo prodotto:
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