Relaxation time scales in collective dynamics of liquid alkali metals

TL;DR

This paper investigates relaxation time scales in liquid alkali metals, especially lithium, showing theoretical results align well with experimental data and confirming the uniformity of dynamic processes across these metals.

Contribution

It provides a theoretical analysis of relaxation processes in liquid alkali metals, validating previous simulation predictions and matching experimental scattering data.

Findings

Theoretical $S(k,
)$ matches inelastic X-ray scattering data for lithium.

Confirms scale uniformity of dynamic processes in liquid alkali metals.

Provides interrelation with existing theories.

Abstract

In this paper the investigation of the dynamical processes of liquid alkali metals is executed by analyzing the time scales of relaxation processes in liquids. The obtained theoretical dynamic structure factor $S(k,\omega)$ for the case of liquid lithium is found to be in excellent agreement with the recently received inelastic X-ray scattering data. The comparison and interrelation with other theories are given here. Finally, an important part of this paper is the confirmation of the scale uniformity of the dynamic processes in liquid alkali metals predicted by some previous molecular dynamic simulation studies.