Journal
JOURNAL OF CHEMICAL PHYSICS
Volume 138, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4792046
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Funding
- French National Center for Scientific Research (CNRS)
- Institut Universitaire de France
- Naito Foundation
- MEXT, Japan
- CNRS
- Grants-in-Aid for Scientific Research [20107002] Funding Source: KAKEN
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We propose an efficient method to enhance sampling in computer simulations by combining the simulated tempering algorithm with a fast on-the-fly weight determination scheme. The weights are self-updated via a trapezoid rule during the simulated tempering simulation. With our proposed scheme, simulated tempering requires neither prior trial simulations nor complicated update schemes. The advantage of our method over replica exchange molecular dynamics has been demonstrated with the study of the folding of the 20-residue alanine peptide and the aggregation of a trimer formed by the Alzheimer's peptide fragment A beta(16-22). (C) 2013 American Institute of Physics. [http://dx.doi.org/10.1063/1.4792046]
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