A stochastic approach to grain surface chemical kinetics

@inproceedings{Green2001ASA,
  title={A stochastic approach to grain surface chemical kinetics},
  author={N. J. B. Green and Thomas Toniazzo and Michael J. Pilling and Deborah P. Ruffle and Nadine Bell and Thomas W. Hartquist},
  year={2001}
}
A stochastic model of grain surface chemistry, based on a master equation description of the probability distributions of reactive species on grains, is developed. For an important range of conditions, rates of molecule formation are limited by low accretion rates, so that the probability that a grain contains more than one reactive atom or molecule is small. We derive simple approximate expressions for these circumstances, and explore their validity through comparison with numerical solutions… CONTINUE READING

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