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Superadiabatic forces in Brownian many-body dynamics.

Fortini, A, de Las Heras, D, Brader, JM and Schmidt, M (2014) Superadiabatic forces in Brownian many-body dynamics. Phys Rev Lett, 113 (16).

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Abstract

Theoretical approaches to nonequilibrium many-body dynamics generally rest upon an adiabatic assumption, whereby the true dynamics is represented as a sequence of equilibrium states. Going beyond this simple approximation is a notoriously difficult problem. For the case of classical Brownian many-body dynamics, we present a simulation method that allows us to isolate and precisely evaluate superadiabatic correlations and the resulting forces. Application of the method to a system of one-dimensional hard particles reveals the importance for the dynamics, as well as the complexity, of these nontrivial out-of-equilibrium contributions. Our findings help clarify the status of dynamical density functional theory and provide a rational basis for the development of improved theories.

Item Type: Article
Authors :
NameEmailORCID
Fortini, Aa.fortini@surrey.ac.ukUNSPECIFIED
de Las Heras, DUNSPECIFIEDUNSPECIFIED
Brader, JMUNSPECIFIEDUNSPECIFIED
Schmidt, MUNSPECIFIEDUNSPECIFIED
Date : 17 October 2014
Identification Number : 10.1103/PhysRevLett.113.167801
Related URLs :
Depositing User : Symplectic Elements
Date Deposited : 17 May 2017 13:19
Last Modified : 17 May 2017 15:10
URI: http://epubs.surrey.ac.uk/id/eprint/838759

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