Rate Constant in Far-from-Equilibrium States of a Replicating System with Mutually Catalyzing Chemicals(General)

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概要

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• As a first step to study reaction dynamics in far-from-equilibrium open systems, we propose a stochastic protocell model in which two mutually catalyzing chemicals are replicating depending on the external flow of energy resources J. This model exhibits an Arrhenius type reaction; furthermore, it produces a non-Arrhenius reaction that exhibits a power-law reaction rate with regard to the activation energy. These dependences are explained using the dynamics of J; the asymmetric random walk of J results in the Arrhenius equation and conservation of J results in a power-law dependence. Further, we find that the discreteness of molecules results in the power change. Effects of cell divisions are also discussed in our model.

• 社団法人日本物理学会の論文
• 2006-02-15

著者

• Ito Nobuyasu

  Department Of Applied Physics Faculty Of Engineering The University Of Tokyo

• Yukawa S

  Department Of Applied Physics University Of Tokyo

• Yukawa Satoshi

  Department Of Applied Physics Graduate School Of Engineering The University Of Tokyo:department Of E

• Kamimura Atsushi

  Department Of Applied Physics School Of Engineering The University Of Tokyo

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