Ionisation of highly excited atoms by electric fields. IV. Frequency and amplitude dependence for linearly polarised fields
- 1 January 1980
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic and Molecular Physics
- Vol. 13 (1), 31-40
- https://doi.org/10.1088/0022-3700/13/1/011
Abstract
For pt.III see ibid., vol.12, no.5, p.709 (1979). Classical Monte-Carlo trajectory calculations on the microwave ionisation of Rydberg atoms are extended to investigate the frequency and amplitude dependence of the ionisation probability. For field amplitudes below the classical adiabatic ionisation threshold the probability has a maximum below the classical resonance frequency. When examined in finer detail the frequency dependence shows a complicated behaviour which exhibits the resonance structure of the underlying invariant tori.Keywords
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