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

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

2001-01-09

arxiv.org/abs/cond-mat/0101119v1

Physics

Condensed Matter

Soft Condensed Matter

Latex, 12 pages, to appear in the Proceedings of the MRS Fall 2000 Meeting

Scientific paper

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 $M(t) = 2 m(J,\rho_F) \sqrt{D_0 t}$, where $D_0$ is the "bare" diffusion coefficient and the prefactor $m(J,\rho_F)$ is a non-trivial function of the reservoir density $\rho_F$ and the amplitude $J$ of attractive particle-particle interactions. Behavior of the dynamic density profiles is also discussed.

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