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- W2076686723 abstract "We present detailed studies on the quantum tunneling dynamics in model double-well potentials for the inversion of an amino acid. We introduce an asymmetric double-well potential with a very small difference in the depths of the two potential wells, which represents the presence of the parity-violating energy difference (PVED) between two optical isomers. From a simple extrapolation from the energy levels calculated by the time-independent method, the inversion time of model alanine molecule is estimated to be about 1029 years. The results of the model calculations on the relative probabilities of the two optical isomers showed that the presence of PVED can lead to the enrichment of one of the enantiomers such as l-form of an amino acid. It is suggested that tunneling dynamics of amino acids with PVED provides a plausible mechanism for much faster development of homo-chirality." @default.
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- W2076686723 date "2004-06-01" @default.
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- W2076686723 title "Tunneling dynamics of amino-acid: model for chiral evolution?" @default.
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- W2076686723 doi "https://doi.org/10.1016/j.theochem.2004.04.004" @default.
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