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Phase-space behavior of physical nonlinear coherent states

机译:物理非线性相干状态的相空间行为

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摘要

In this paper, we construct the generalized su(1, 1) nonlinear coherent states for particular physical systems. We study the behavior of the Wigner function for coherent states built from differential operators that satisfy either a generalized Heisenberg algebra or a generalized su(1, 1) nonlinear algebra. The systems studied are the harmonic oscillator and those ones associated with Poschl-Teller potentials. The results show that the Wigner function for the associated nonlinear coherent states is positive for small values of their convergence radius. Furthermore, the Wigner function for these coherent states depends on the corresponding algebraic structure.
机译:本文构造了特殊物理系统的广义su(1,1)非线性相干态。我们研究了由满足广义海森堡代数或广义su(1,1)非线性代数的微分算子建立的相干态的Wigner函数的行为。所研究的系统是谐振子和与Poschl-Teller势有关的系统。结果表明,关联的非线性相干态的Wigner函数在收敛半径较小时为正。此外,这些相干态的维格纳函数依赖于相应的代数结构。

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