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arXiv 1608.06153math-phmath.MPmath.RT
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非对易相干态及Berezin-Toeplitz量子化的相关问题

Noncommutative coherent states and related aspects of Berezin-Toeplitz quantization

S. Hasibul Hassan Chowdhury, S. Twareque Ali, Miroslav Engliš

摘要:

本文利用$\g$的各种幺正不可约表示(UIR)构造了非对易相干态。$\g$是一个连通的、单连通的幂零李群,它是2自由度系统的非对易量子力学的运动对称群。同样描述了由$\g$的简并UIR产生的简并非对易相干态。然后我们计算了这两类相干态的再生核,并研究了四维相空间上观测量的Berezin-Toeplitz量子化,特别分析了这两种情况下的半经典渐近性。

英文摘要:

In~this paper, we construct noncommutative coherent states using various families of unitary irreducible representations (UIRs) of $\g$, a connected, simply connected nilpotent Lie group, that was identified as the kinematical symmetry group of noncommutative quantum mechanics for a system of 2-degrees of freedom in an earlier paper. Likewise described are the degenerate noncommutative coherent states arising from the degenerate UIRs of $\g$. We~then compute the reproducing kernels associated with both these families of coherent states and study Berezin-Toeplitz quantization of the observables on the underlying 4-dimensional phase space, analyzing in particular the semi-classical asymptotics for both these cases.

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