Effective interactions between inclusions in complex fluids driven out of equilibrium

2003/04/16 by Denis Bartolo, Armand Ajdari, Jean-Baptiste Fournier +1 · 2 citations
Materials Science · Physics and Astronomy · #Advanced Thermodynamics and Statistical Mechanics #Material Dynamics and Properties #Quantum Electrodynamics and Casimir Effect #cond-mat.soft #cond-mat.stat-mech

paper · pdf · doi:10.1103/physreve.67.061112

10 pages, 8 figures, to appear in PRE

arxiv created 2003/04/16 · openalex publication_date 2003/06/23 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The concept of fluctuation-induced effective interactions is extended to systems driven out of equilibrium. We compute the forces experienced by macroscopic objects immersed in a soft material driven by external shaking sources. We show that, in contrast with equilibrium Casimir forces induced by thermal fluctuations, their sign, range, and amplitude depend on specifics of the shaking and can thus be tuned. We also comment on the dispersion of these shaking-induced forces, and discuss their potential application to phase ordering in soft materials.

Citations

• THE EFFECTS OF SHAPE ON THE INTERACTION OF COLLOIDAL PARTICLES
• The Physics of Liquid Crystals
• Tables of Integrals, Series, and Products
• Classical Electrodynamics

Cited by

• Fluctuation spectra and force generation in nonequilibrium systems
• Breakdown of effective temperature, power law interactions, and self-propulsion in a momentum-conserving active fluid
• Critical Dynamics in Thin Films