Deformation quantizations with separation of variables on a Kähler manifold

Details Deformation quantizations with separation of variables on a Kähler manifold Deformation quantizations with separation of variables on a Kähler manifold

1995-08-02

arxiv.org/abs/hep-th/9508013v1

Commun.Math.Phys. 180 (1996) 745

Physics

High Energy Physics

High Energy Physics - Theory

latex, 14 pages

Scientific paper

We give a simple geometric description of all formal deformation quantizations on a K\"ahler manifold $M$ which enjoy the following property of separation of variables into holomorphic and antiholomorphic ones. For each open subset $U\subset M$, $\star$-multiplication from the left by a holomorphic function and from the right by an antiholomorphic function on $U$ coincides with the pointwise multiplication by these functions. These quantizations are in 1-1 correspondence with formal deformations of the original K\"ahler metrics on $M$. It has been shown in [Ka] that the formal deformation quantizations obtained from the full asymptotic expansion of Berezin's $*$-product on the orbits of a compact semisimple Lie group in [Mo2] and [CGR1] and on bounded symmetric domains in [Mo1] and [CGR2] are those with separation of variables and correspond to the trivial deformation of the original K\"ahler metrics.

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