2005/09/06 by A. J. Archer, Andrew J. Archer · 2 citations
Chemistry · Materials Science · Physics and Astronomy · #Electrostatics and Colloid Interactions #Material Dynamics and Properties #Spectroscopy and Quantum Chemical Studies #cond-mat.soft #cond-mat.stat-mech
paper · pdf · doi:10.1088/0953-8984/17/45/009
published as J. Phys.: Condens. Matter 17 S3253 (2005) · 7 pages, 4 figures. Accepted for the proceedings of the Liquid Matter conference 2005, to be publication in J. Phys.: Condens. Matter
arxiv created 2005/09/06 · openalex publication_date 2005/10/28 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/08/02
Consider a fluid composed of two species of particles, where the interparticle pair potentials . On confining an equal number of particles from each species in a cavity, one finds that the average one body density profiles of each species are constrained to be exactly the same due to the symmetry, when both external cavity potentials are the same. For a binary fluid of Brownian particles interacting via repulsive Gaussian pair potentials that exhibits phase separation, we study the dynamics of the fluid one body density profiles on breaking the symmetry of the external potentials, using the dynamical density functional theory of Marconi and Tarazona (1999 J. Chem. Phys. 110 8032). On breaking the symmetry we see that the fluid one body density profiles can then show the phase separation that is present.