Propagation Dynamics of a Particle Phase in a Single-File Pore
Lacasta, A. M. · Sancho, J. M. · Sagues, F. · Oshanin, G.
Original · EN
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,ρF) √D₀ t, where D₀ is the "bare" diffusion coefficient 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 profiles is also discussed.
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