Structure factor in the presence of shear - An RPA calculation

Guy Vinograd; Moshe Schwartz

doi:10.1016/S0378-4371(02)01583-2

Structure factor in the presence of shear - An RPA calculation

Guy Vinograd, Moshe Schwartz

School of Physics and Astronomy

Tel Aviv University

Research output: Contribution to journal › Article › peer-review

Abstract

We consider the structure factor of a system of colloidal particles immersed in a host liquid. Each particle is assumed to be affected by forces due to other particles, a drag force proportional to the velocity of the particle relative to the local velocity of the fluid and a fluctuating random noise. The effect of the particles on the velocity field of the host liquid is neglected. The problem is treated within the RPA approximation which is a widely used tool in many body theory. The validity of the RPA result is discussed.

Original language	English
Pages (from-to)	425-430
Number of pages	6
Journal	Physica A: Statistical Mechanics and its Applications
Volume	321
Issue number	3-4
DOIs	https://doi.org/10.1016/S0378-4371(02)01583-2
State	Published - 15 Apr 2003

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AB - We consider the structure factor of a system of colloidal particles immersed in a host liquid. Each particle is assumed to be affected by forces due to other particles, a drag force proportional to the velocity of the particle relative to the local velocity of the fluid and a fluctuating random noise. The effect of the particles on the velocity field of the host liquid is neglected. The problem is treated within the RPA approximation which is a widely used tool in many body theory. The validity of the RPA result is discussed.

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Structure factor in the presence of shear - An RPA calculation

Abstract

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