Perturbation theory for the angular correlation function
- 22 August 1974
- journal article
- research article
- Published by Taylor & Francis in Molecular Physics
- Vol. 28 (2) , 527-533
- https://doi.org/10.1080/00268977400103051
Abstract
A perturbation expression for the angular pair correlation function g (2)(r 12, ω1, ω2) is derived for systems interacting via non central potentials based on the method developed by Gubbins and Gray [1]. The method uses the ‘correct’ (in the sense of Rushbrooke [3] and Cook and Rowlinson [4]) angle-averaged potential as the reference system about which the perturbation is made. A preliminary comparison between the original Gubbins-Gray expression for g (2)(r 12, ω1, ω2) and the present expression is made for a system of two-dimensional point dipoles.Keywords
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