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arXiv quant-ph/0407160quant-phnucl-th
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形状不变势广义相干态的代数构造

An Algebraic Construction of Generalized Coherent States for Shape-Invariant Potentials

A. N. F. Aleixo, A. B. Balantekin

摘要:

基于超对称量子力学,利用代数方法构造了形状不变势的广义相干态。我们表明,这种广义形式主义能够:a)提供必要的基本要求,以建立一个给定系统的经典和量子公式之间的联系(标签的连续性,单位的分辨率,时间稳定性,和行动的身份); b)再现已知的形状不变的系统,如谐振子,双非谐,Poschl-Teller和自相似的潜力和结果; c)指出一种形式主义,它为量子系统的不同类型的相干态提供了统一的描述。

英文摘要:

Generalized coherent states for shape invariant potentials are constructed using an algebraic approach based on supersymmetric quantum mechanics. We show this generalized formalism is able to: a) supply the essential requirements necessary to establish a connection between classical and quantum formulations of a given system (continuity of labeling, resolution of unity, temporal stability, and action identity); b) reproduce results already known for shape-invariant systems, like harmonic oscillator, double anharmonic, Poschl-Teller and self-similar potentials and; c) point to a formalism that provides an unified description of the different kind of coherent states for quantum systems.

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