Lennard-Jones势的散射长度
Scattering length for Lennard-Jones potentials
摘要：
我们提出了一个精确的程序，允许一个计算的散射长度为任何潜在的表示为一个代数和原子间距离的逆幂。我们将其应用于（12，$s$）Lennard-Jones势，具有不同的$s$值。该程序是适合于一个非常精确的确定的强度的潜力对应的零或极点的散射长度。
英文摘要：
We present an exact procedure that allows one to calculate the scattering lenth for any potential expressed as an algebraic sum of inverse powers of the interatomic distance. We apply it to (12, $s$) Lennard-Jones potentials, with different values of $s$. The procedure is suitable for a very precise determination of the intensities of the potential corresponding to zeros or poles of the scattering length.
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