Abstract
Spontaneous fluctuations in the Lotka-Volterra model of chemical reactions are known to grow in an unbounded way when species held in excess are neglected. This result is obtained in a simple way using generalized fluctuation-dissipation principles but appears to be an artifact of ignoring fluctuations in the variables that are held fixed. When fluctuations in the other concentrations are included in the model, the spontaneous fluctuations become bounded.
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This work was supported by the National Science Foundation through Research Grant No. MPS 74-00483 AO1.
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Keizer, J. An observation on the effect of fluctuations far from equilibrium: The Lotka-Volterra model. J Stat Phys 15, 477–483 (1976). https://doi.org/10.1007/BF01020801
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DOI: https://doi.org/10.1007/BF01020801