Toward efficient chemical potential calculations by expanded ensemble simulations; to make the free energy pathway fairly level.

Abstract

A scheme is suggested of how to construct good bias potentials ("balancing factors") to be used in expanded ensemble (EE) calculations of chemical potentials of solutions. A combination of two strategies are used: (i) to use a pathway for particle insertions that avoids large variations in free energy and (ii) to use calculated free energy derivatives to… (More)

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