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Article Dans Une Revue Physical Review Letters Année : 2010

Recollisions and correlated double ionization with circularly polarized light

Francois Mauger
Cristel Chandre
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Turgay Uzer
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Résumé

It is generally believed that the recollision mechanism of atomic nonsequential double ionization is suppressed in circularly polarized laser fields because the returning electron is unlikely to encounter the core. On the contrary, we find that recollision can and does significantly enhance double ionization, even to the extent of forming a ''knee'', the signature of the nonsequential process. Using a classical model, we explain two apparently contradictory experiments, the absence of a knee for helium and its presence for magnesium.
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Dates et versions

hal-00455495 , version 1 (10-02-2010)

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Francois Mauger, Cristel Chandre, Turgay Uzer. Recollisions and correlated double ionization with circularly polarized light. Physical Review Letters, 2010, 105 (8), pp.083002. ⟨10.1103/PhysRevLett.105.083002⟩. ⟨hal-00455495⟩
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