T Pattard et al 2003 J. Phys. B: At. Mol. Opt. Phys. 36 L189 doi:10.1088/0953-4075/36/12/101
T Pattard, T Schneider and J M Rost
Show affiliationsThe role of shake-off for double ionization of atoms by a single photon with finite energy has become the subject of debate. In this letter, we attempt to clarify the meaning of shake-off at low photon energies by comparing different formulations appearing in the literature and by suggesting a working definition. Moreover, we elaborate on the foundation and justification of a mixed quantum-classical ansatz for the calculation of single-photon double ionization.
32.80.Fb Photoionization of atoms and ions
32.80.Rm Multiphoton ionization and excitation to highly excited states
Issue 12 (28 June 2003)
Received 8 April 2003
Published 30 May 2003
T Pattard et al 2003 J. Phys. B: At. Mol. Opt. Phys. 36 L189
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