Fluctuation Induced Homochirality

Details Fluctuation Induced Homochirality Fluctuation Induced Homochirality

2008-01-18

arxiv.org/abs/0801.2841v1

Physics

Chemical Physics

13 pages, 6 figures

Scientific paper

10.1143/JPSJ.77.064606

We propose a new mechanism for the achievment of homochirality in life without any autocatalytic production process. Our model consists of a spontaneous production together with a recycling cross inhibition in a closed system. It is shown that although the rate equations for this system predict no chiral symmetry breaking, the stochastic master equation predicts complete homochirality. This is because the fluctuation induced by the discreteness of population numbers of participating molecules plays essential roles. This fluctuation conspires with the recyling cross inhibition to realize the homochirality.

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