Hamilton-Jacobi method for molecular distribution function in a chemical oscillator

Hiizu Nakanishi, Takahiro Sakaue, Jun'Ichi Wakou

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)


Using the Hamilton-Jacobi method, we solve chemical Fokker-Planck equations within the Gaussian approximation and obtain a simple and compact formula for a conditional probability distribution. The formula holds in general transient situations, and can be applied not only to a steady state but also to an oscillatory state. By analyzing the long time behavior of the solution in the oscillatory case, we obtain the phase diffusion constant along the periodic orbit and the steady distribution perpendicular to it. A simple method for numerical evaluation of these formulas are devised, and they are compared with Monte Carlo simulations in the case of Brusselator as an example. Some results are shown to be identical to previously obtained expressions.

ジャーナルJournal of Chemical Physics
出版ステータス出版済み - 12月 7 2013

!!!All Science Journal Classification (ASJC) codes

  • 物理学および天文学(全般)
  • 物理化学および理論化学


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