一维Calogero-Sutherland势中的两粒子Wigner函数
Two-particle Wigner functions in a one-dimensional Calogero-Sutherland potential
摘要:
我们计算了由简谐相互作用和平方反比相互作用组成的Calogero-Sutherland系统的Wigner分布函数。维格纳分布函数被分成两部分,分别对应于相对运动和质心运动。通过引入Hermite多项式与Laguerre多项式之间的一个新恒等式,得到了相对Wigner函数的Laguerre多项式的一般表达式。
英文摘要:
We calculate the Wigner distribution function for the Calogero-Sutherland system which consists of harmonic and inverse-square interactions. The Wigner distribution function is separated out into two parts corresponding to the relative and center-of-mass motions. A general expression for the relative Wigner function is obtained in terms of the Laguerre polynomials by introducing a new identity between Hermite and Laguerre polynomials.
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