Validity of Factorization of the High-Energy Photoelectron Yield in Above-Threshold Ionization of an Atom by a Short Laser Pulse | Zendy

M. V. Frolov | Zendy; D. V. Knyazeva | Zendy; N. L. Manakov | Zendy; A. M. Popov | Zendy; О. В. Тихонова | Zendy; E. A. Volkova | Zendy; Minghui Xu | Zendy; Liang-You Peng | Zendy; Liang-Wen Pi | Zendy; Anthony F. Starace | Zendy

Open Access

Validity of Factorization of the High-Energy Photoelectron Yield in Above-Threshold Ionization of an Atom by a Short Laser Pulse

Author(s) -

M. V. Frolov,

D. V. Knyazeva,

N. L. Manakov,

A. M. Popov,

О. В. Тихонова,

E. A. Volkova,

Minghui Xu,

Liang-You Peng,

Liang-Wen Pi,

Anthony F. Starace

Publication year - 2012

Publication title -

physical review letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.688

H-Index - 673

eISSN - 1079-7114

pISSN - 0031-9007

DOI - 10.1103/physrevlett.108.213002

Subject(s) - ionization , physics , atomic physics , electron , factorization , atom (system on chip) , laser , wave packet , pulse (music) , amplitude , yield (engineering) , energy (signal processing) , quantum mechanics , ion , algorithm , voltage , computer science , thermodynamics , embedded system

An analytic description for the yield, P(p), of high-energy electrons ionized from an atom by a short (few-cycle) laser pulse is obtained quantum mechanically. Factorization of P(p) in terms of an electron wave packet and the cross section for elastic electron scattering (EES) is shown to occur only for an ultrashort pulse, while in general P(p) involves interference of EES amplitudes with laser-field-dependent momenta. The analytic predictions agree well with accurate numerical results. © 2012 American Physical Society.

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