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Eur. Phys. J. B 7, 129-136
Theoretical and computer simulation study of density fluctuations in liquid binary alloys
Ya. Chushak - A. Baumketner
Institute for Condensed Matter Physics,
1 Svientsitskogo Street, Lviv 290011, Ukraine
ych@omega.icmp.lviv.ua
Received: 27 February 1998 / Revised: 24 July 1998 / Accepted: 27 July 1998
Abstract
The dynamical properties of liquid alloys
are investigated by means of memory function equations and
molecular-dynamics simulation. A simple model for the second-order
memory function in a binary liquid, based on Mori's memory
function formalism, is proposed and applied in numerical calculations of the
time correlation functions and dynamic structure factor of liquid
K0.7Cs0.3 and K0.3Cs0.7 alloys.
Obtained results are discussed in comparison with the results of computer
simulations.
PACS
61.20.Lc Time-dependent properties; relaxation -
61.25.Mv Liquid metals and alloys
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Copyright EDP Sciences, Società Italiana di Fisica, Springer-Verlag