Coupling different levels of resolution in molecular simulations

Details Coupling different levels of resolution in molecular simulations Coupling different levels of resolution in molecular simulations

2009-07-31

arxiv.org/abs/0907.5497v2

J. Chem. Phys. 132, 114101 (2010)

Physics

Condensed Matter

Statistical Mechanics

Scientific paper

10.1063/1.3357982

Simulation schemes that allow to change molecular representation in a subvolume of the simulation box while preserving the equilibrium with the surrounding introduce conceptual problems of thermodynamic consistency. In this work we present a general scheme based on thermodynamic arguments which ensures thermodynamic equilibrium among the molecules of different representation. The robustness of the algorithm is tested for two examples, namely an adaptive resolution simulation, atomistic/coarse-grained, for a liquid of tetrahedral molecules and an adaptive resolution simulation of a binary mixture of tetrahedral molecules and spherical solutes.

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