A comment on chemical Langevin equations
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It is noted that the diffusion Langevin stochastic sources in chemical reaction-diffusion theories should really arise from a stochastic source term added to the deterministic form of Fick's law. This gives rise to results for correlation functions which agree with those from stochastic master equations provided parameters are appropriately chosen.
Key wordsStochastic equations Langevin equations chemical reactions diffusion theory master equations fluctuations
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