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Infinite swapping replica exchange molecular dynamics leads to a simple simulation patch using mixture potentials.

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Date
2013-02-28
Authors
Lu, Jianfeng
Vanden-Eijnden, Eric
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Abstract
Replica exchange molecular dynamics (REMD) becomes more efficient as the frequency of swap between the temperatures is increased. Recently Plattner et al. [J. Chem. Phys. 135, 134111 (2011)] proposed a method to implement infinite swapping REMD in practice. Here we introduce a natural modification of this method that involves molecular dynamics simulations over a mixture potential. This modification is both simple to implement in practice and provides a better, energy based understanding of how to choose the temperatures in REMD to optimize efficiency. It also has implications for generalizations of REMD in which the swaps involve other parameters than the temperature.
Type
Journal article
Subject
Molecular Dynamics Simulation
Temperature
Permalink
https://hdl.handle.net/10161/14093
Published Version (Please cite this version)
10.1063/1.4790706
Publication Info
Lu, Jianfeng; & Vanden-Eijnden, Eric (2013). Infinite swapping replica exchange molecular dynamics leads to a simple simulation patch using mixture potentials. J Chem Phys, 138(8). pp. 084105. 10.1063/1.4790706. Retrieved from https://hdl.handle.net/10161/14093.
This is constructed from limited available data and may be imprecise. To cite this article, please review & use the official citation provided by the journal.
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Scholars@Duke

Lu

Jianfeng Lu

Professor of Mathematics
Jianfeng Lu is an applied mathematician interested in mathematical analysis and algorithm development for problems from computational physics, theoretical chemistry, materials science and other related fields.More specifically, his current research focuses include:Electronic structure and many body problems; quantum molecular dynamics; multiscale modeling and analysis; rare events and sampling techniques.
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