The fourth frequency moments of the longitudinal and transverse momentum correlation functions in a simple, classical liquid have been derived. Numerical results in the $k=0$ limit are given for a Lennard-Jones potential.
No takes yet. Share an insight, caveat, or question.
Forster et al. (1968) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: