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Optimal reduced dimensional representation of classical molecular dynamics

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Dey, Bijoy K.
Rabitz, H.

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Abstract

An optimal reduced space method for capturing the low-frequency motion in classical molecular dynamics calculations is presented. This technique provides a systematic means for carrying out reduced-dimensional calculations in an effective set of reduced coordinates. The method prescribes an optimal reduced subspace linear transformation for the low frequency motion. The method is illustrated with a dynamics calculation for a model potential, where the original six-dimensional space is reduced to two (three) dimensions, depending on the desired frequency cutoff value.

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American Institute of Physics (AIP) Publishing

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Physical chemistry, Applied physics

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Journal of Chemical Physics

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10.1063/1.1599349

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