Multi-species dynamical density functional theory

B.D. Goddard, A. Nold, S. Kalliadasis

Research output: Contribution to journalArticlepeer-review


We study the dynamics of a multi-species colloidal fluid in the full position-momentum phase space. We include both inertia and hydrodynamic interactions, which strongly influence the non-equilibrium properties of the system. Under minimal assumptions, we derive a dynamical density functional theory (DDFT), and, using an efficient numerical scheme based on spectral methods for integro-differential equations, demonstrate its excellent agreement with the full underlying Langevin equations. We utilise the DDFT formalism to elucidate the crucial effects of hydrodynamic interactions in multi-species systems.
Original languageEnglish
Article number144904
JournalJournal of Chemical Physics
Issue number14
Publication statusPublished - 14 Apr 2013


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