Recollision excitation, electron correlation, and the production of high-momentum electrons in double ionization

Recollision excitation, electron correlation, and the production of high-momentum electrons in double ionization

The production of high-momentum electrons in double ionization of helium by near-infrared lasers is investigated using three-dimensional classical ensembles. The nucleus' role is examined by systematically adjusting the nuclear potential. The primary source of the high-energy electrons is found...

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Veröffentlicht in:Physical review letters 2008-09, Vol.101 (11), p.113001-113001, Article 113001
Hauptverfasser: Haan, S L, Van Dyke, J S, Smith, Z S
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Sprache:eng
Schlagworte:
BACKSCATTERING
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRON CORRELATION
ELECTRONS
EXCITATION
HELIUM
IONIZATION
LASERS
NUCLEAR POTENTIAL
THREE-DIMENSIONAL CALCULATIONS
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container_title Physical review letters
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creator Haan, S L
Van Dyke, J S
Smith, Z S
description The production of high-momentum electrons in double ionization of helium by near-infrared lasers is investigated using three-dimensional classical ensembles. The nucleus' role is examined by systematically adjusting the nuclear potential. The primary source of the high-energy electrons is found to be backscattering off the nucleus at recollision. Recollision excitation with backscattering of the unbound electron is found to be especially important. It is shown that recollision excitation with ionization before the next field maximum can lead to a correlated electron pair.
doi_str_mv 10.1103/physrevlett.101.113001
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ispartof Physical review letters, 2008-09, Vol.101 (11), p.113001-113001, Article 113001
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source American Physical Society Journals
subjects BACKSCATTERING
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
ELECTRON CORRELATION
ELECTRONS
EXCITATION
HELIUM
IONIZATION
LASERS
NUCLEAR POTENTIAL
THREE-DIMENSIONAL CALCULATIONS
title Recollision excitation, electron correlation, and the production of high-momentum electrons in double ionization
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