Collision terms and density correlations for strongly correlated plasmas

Abstract

New collision terms for stable plasmas are formally derived within the framework that the ternary correlation function be expressed in terms of the products of the single‐particle and pair‐correlation functions. The collision terms obtained are nonlinear integral equations involving both single particle and pair correlation functions. It is investigated as to how the conventional Balescu‐Lenard collision terms are modified through pair‐correlation functions. As a consequence of such a modification of effective interactions, the decay of pair correlations becomes oscillatory. The effective Debye length for strongly correlated plasmas is introduced, and the sum rule for strongly correlated plasma is also investigated.