NONEQUILIBRIUM SPATIAL CORRELATIONS IN CHEMICAL SYSTEMS: BEYOND ORNSTEIN

NONEQUILIBRIUM SPATIAL CORRELATIONS IN CHEMICAL SYSTEMS: BEYOND ORNSTEIN–ZERNIKE

Published:2002-11 Issue:09 Volume:13 Page:1253-1262
ISSN:0129-1831
Container-title:International Journal of Modern Physics C
language:en
Short-container-title:Int. J. Mod. Phys. C

Author:

WAKOU JUNICHI¹,KITAHARA KAZUO²,LITNIEWSKI MAREK³,GORECKI JERZY³

Affiliation:

1. Institute for Theoretical Physics, University of Utrecht, 3508 TD Utrecht, The Netherlands

2. International Christian University, 3-10-2 Osawa, Mitaka-shi, Tokyo 181-8585, Japan

3. Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland

Abstract

In this paper we consider a chemical process, for which the reagent of interest decays shortly after it is created. For such a system the standard theory of nonequilibrium spatial correlations in the density fluctuations, which leads to Ornstein–Zernike type of expression, does not work. We compare results of molecular simulations with another theoretical description based on the assumption that the lifetime of the reagent is short enough to treat its motion as a ballistic rather than diffusive one.

Publisher

World Scientific Pub Co Pte Lt

Subject

Computational Theory and Mathematics,Computer Science Applications,General Physics and Astronomy,Mathematical Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0129183102004108

Reference12 articles.

1. Effects of Diffusion on the Fluctuations in Open Chemical Systems

2. Onset of spatial correlations in nonequilibrium systems: A master-equation description

3. Nonequilibrium states and long range correlations in chemical dynamics

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5. Fluctuation and relaxation of macrovariables

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