Theoretical study of attosecond chronoscopy of strong-field atomic photoionization

Kazansky AK, Kabachnik NM (2008)
Journal of Physics. B, Atomic, Molecular and Optical Physics 41(13): 135601.

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Abstract
A model which describes the time evolution of strong-field photoionization of atoms is presented. Based on the numerical solution of the non-stationary Schrodinger equation, the model allows one to predict and to interpret the results of experiments on double photoionization of atoms by a combined action of a very short (attosecond) XUV pulse and a few-cycle IR pulse of a powerful laser at various delay times between the two pulses. Depending on the binding energy of the ionized electron, two types of processes are considered. If the electron is tightly bound (Ne case), the XUV pulse ionizes the atom and shakes up another (outer) electron to an excited state, which is subsequently ionized by the strong IR field. For an atom with a weakly bound outer electron (Li case), the IR field ionizes the latter, while the XUV pulse, ionizing the inner shell, terminates (or suppresses) the strong-field ionization. In both cases the yield of doubly ionized ions strongly depends on the delay time between the two pulses, revealing 'steps', oscillations and other features which characterize the time evolution of the ionization process. The presented model describes qualitatively the results of recent experiments on Ne.
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Kazansky AK, Kabachnik NM. Theoretical study of attosecond chronoscopy of strong-field atomic photoionization. Journal of Physics. B, Atomic, Molecular and Optical Physics. 2008;41(13): 135601.
Kazansky, A. K., & Kabachnik, N. M. (2008). Theoretical study of attosecond chronoscopy of strong-field atomic photoionization. Journal of Physics. B, Atomic, Molecular and Optical Physics, 41(13), 135601. doi:10.1088/0953-4075/41/13/135601
Kazansky, A. K., and Kabachnik, N. M. (2008). Theoretical study of attosecond chronoscopy of strong-field atomic photoionization. Journal of Physics. B, Atomic, Molecular and Optical Physics 41:135601.
Kazansky, A.K., & Kabachnik, N.M., 2008. Theoretical study of attosecond chronoscopy of strong-field atomic photoionization. Journal of Physics. B, Atomic, Molecular and Optical Physics, 41(13): 135601.
A.K. Kazansky and N.M. Kabachnik, “Theoretical study of attosecond chronoscopy of strong-field atomic photoionization”, Journal of Physics. B, Atomic, Molecular and Optical Physics, vol. 41, 2008, : 135601.
Kazansky, A.K., Kabachnik, N.M.: Theoretical study of attosecond chronoscopy of strong-field atomic photoionization. Journal of Physics. B, Atomic, Molecular and Optical Physics. 41, : 135601 (2008).
Kazansky, A. K., and Kabachnik, Nikolay M. “Theoretical study of attosecond chronoscopy of strong-field atomic photoionization”. Journal of Physics. B, Atomic, Molecular and Optical Physics 41.13 (2008): 135601.
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