Direct two-photon double ionization of H2 | Zendy

Aleksander Skjerlie Simonsen | Zendy; S. A. Sørngård | Zendy; Raymond Nepstad | Zendy; Morten Førre | Zendy

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Direct two-photon double ionization of H2

Author(s) -

Aleksander Skjerlie Simonsen,

S. A. Sørngård,

Raymond Nepstad,

Morten Førre

Publication year - 2012

Publication title -

physical review a

Language(s) - English

Resource type - Journals

eISSN - 1094-1622

pISSN - 1050-2947

DOI - 10.1103/physreva.85.063404

Subject(s) - physics , ionization , atomic physics , orientation (vector space) , perpendicular , photon , molecule , polarization (electrochemistry) , ion , optics , chemistry , quantum mechanics , geometry , mathematics

We have studied the process of direct (nonsequential) two-photon double ionization of molecular hydrogen(H2). Solving the time-dependent Schr¨odinger equation by an ab initio method, total (generalized) and singledifferentialcross sections are obtained at photon energies from 26 to 33 eV. Both parallel and perpendicularorientation of the molecule with respect to the laser polarization direction are considered, and the results arecompared with previously calculated cross sections at 30 eV, as well as the predictions of a simple model

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