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Title: Asymmetry in the strong-field ionization of Rydberg atoms by few-cycle pulses
Author(s): Gurtler, A.; Robicheaux, F.; Zande, W.J. van der ; Noordam, L.D.
Publication year: 2004
Source: Physical Review Letters, vol. 92, iss. 3, (2004), pp. 033002
ISSN: 0031-9007
Publication type: Article / Letter to editor

Please use this identifier to cite or link to this item : https://hdl.handle.net/2066/60146   https://hdl.handle.net/2066/60146

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Subject: Molecular and Biophysics
Organization: Molecular and Biophysics
Journal title:
Physical Review Letters
Volume: vol. 92
Issue: iss. 3
Page start: p. 033002
Page end: p. 033002
Abstract:
We present measurements of the electron ejection direction in the ionization of high (n=90) Rydberg states of rubidium subjected to few-cycle radio-frequency (RF) pulses. For weak pulses we find a strong asymmetry for even (cosine) pulses and no asymmetry for odd (sine) pulses. This asymmetry disappears for pulses longer than four RF cycles. For strong pulses, very large asymmetry is found for both sine and cosine pulses that persists up to eight RF cycles and is attributed to initial state depletion effects within a cycle.

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