alexa Communication: Nucleation of water on ice nanograins: Size, charge, and quantum effects.
Environmental Sciences

Environmental Sciences

Journal of Climatology & Weather Forecasting

Author(s): Marciante M, Calvo F

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Abstract The sticking cross sections of water molecules on cold size-selected water clusters have been simulated using classical and quantum (path-integral) molecular dynamics trajectories under realistic conditions. The integrated cross sections for charged clusters show significant size effects with comparable trends as in experiments, as well as essentially no sign effect. Vibrational delocalization, although it contributes to enlarging the geometric cross sections, leads to a counter-intuitive decrease in the dynamical cross section obtained from the trajectories. These results are interpreted based on the apparent reduction in the effective interaction between the projectile and the target owing to zero-point effects. This article was published in J Chem Phys and referenced in Journal of Climatology & Weather Forecasting

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