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Propagation Dynamics of a Particle Phase in a Single-File Pore.

Published online by Cambridge University Press:  21 March 2011

A.M. Lacasta ,
J.M. Sancho ,
F. Sagues  and
G. Oshanin
A.M. Lacasta
Affiliation:
Departament de Fisica Aplicada, Universitat Politècnica de Catalunya, E-08028 Barcelona, Spain
J.M. Sancho
Affiliation:
Departament d'Estructura i Constituents de la Matèria, Universitat de Barcelona, E-08028 Barcelona, Spain
F. Sagues
Affiliation:
Departament de Quimica Fisica, Universitat de Barcelona, E-08028 Barcelona, Spain
G. Oshanin
Affiliation:
Laboratoire de Physique Théorique des iquides, Université Paris 6, 75252 Paris, France
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Abstract

We study propagation dynamics of a particle phase in a single-file pore connected to a reservoir of particles (bulk liquid phase). We show that the total mass M(t) of particles entering the pore up to time t grows as (Mt) = 2m(J,ρF) √D0t, where D0 is the “bare” di usion coeffcient and the prefactor m(J,ρF) is a non-trivial function of the reservoir density ρF and the amplitude J of attractive particle-particle interactions. Behavior of the dynamic density pro les is also discussed.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 651: Symposium T – Dynamics in Small Confining Systems V , 2000 , T9.1.1
Copyright
Copyright © Materials Research Society 2001

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