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29 March 2024
 
  » arxiv » hep-th/9407092

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Realization of compact Lie algebras in Kähler manifolds
D. Bar-Moshe ; M. S. Marinov ;
Date 15 Jul 1994
Journal J.Phys. A27 (1994) 6287-6298
Subject High Energy Physics - Theory; Differential Geometry | hep-th math.DG
AffiliationTechnion
AbstractThe Berezin quantization on a simply connected homogeneous Kähler manifold, which is considered as a phase space for a dynamical system, enables a description of the quantal system in a (finite-dimensional) Hilbert space of holomorphic functions corresponding to generalized coherent states. The Lie algebra associated with the manifold symmetry group is given in terms of first-order differential operators. In the classical theory, the Lie algebra is represented by the momentum maps which are functions on the manifold, and the Lie product is the Poisson bracket given by the Kähler structure. The Kähler potentials are constructed for the manifolds related to all compact semi-simple Lie groups. The complex coordinates are introduced by means of the Borel method. The Kähler structure is obtained explicitly for any unitary group representation. The cocycle functions for the Lie algebra and the Killing vector fields on the manifold are also obtained.
Source arXiv, hep-th/9407092
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