Evaporation and cluster abundance spectra
K Hansen, U Näher - Physical Review A, 1999 - APS
K Hansen, U Näher
Physical Review A, 1999•APSStatistical fragmentation can give valuable information on the internal structure of clusters
due to the strong dependence of the evaporation rate on the activation energy for the
process. In particular, the abundances in an ensemble of hot clusters will reflect the relative
stabilities of the individual species. We derive the relation between evaporative activation
energies and relative abundances for large clusters. Quantitative criteria for the applicability
of the theory are derived and the analytical results are compared with numerical simulations.
due to the strong dependence of the evaporation rate on the activation energy for the
process. In particular, the abundances in an ensemble of hot clusters will reflect the relative
stabilities of the individual species. We derive the relation between evaporative activation
energies and relative abundances for large clusters. Quantitative criteria for the applicability
of the theory are derived and the analytical results are compared with numerical simulations.
Abstract
Statistical fragmentation can give valuable information on the internal structure of clusters due to the strong dependence of the evaporation rate on the activation energy for the process. In particular, the abundances in an ensemble of hot clusters will reflect the relative stabilities of the individual species. We derive the relation between evaporative activation energies and relative abundances for large clusters. Quantitative criteria for the applicability of the theory are derived and the analytical results are compared with numerical simulations.
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