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Nonequilibrium dynamics of a reacting network system

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Abstract

The nonlinear nonequilibrium properties of reacting network systems are studied by computer simulations. It is shown that the fluctuation in the population of each chemical species obeys a log-normal distribution, not the normal Gaussian distribution. The reaction rate shows power-law decay with activation cost (energy), not the Arrhenius-type exponential decay observed in a linear nonequilibrium regime. These two characteristic features will explain the diversity, plasticity, and adaptivity observed in complex biological reaction networks.

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Authors and Affiliations

  1. Department of Applied Physics, Graduate School of Engineering, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan

    Atsushi Kamimura, Takashi Shimada & Nobuyasu Ito

Authors
  1. Atsushi Kamimura
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  2. Takashi Shimada
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  3. Nobuyasu Ito
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Corresponding author

Correspondence to Atsushi Kamimura.

Additional information

This work was presented in part at the 13th International Symposium on Artifical Life and Robotics, Oita, Japan, January 31–February 2, 2008

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Kamimura, A., Shimada, T. & Ito, N. Nonequilibrium dynamics of a reacting network system. Artif Life Robotics 13, 474–477 (2009). https://doi.org/10.1007/s10015-008-0612-7

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  • DOI: https://doi.org/10.1007/s10015-008-0612-7

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