Classical analysis of Coulomb effects in strong-field ionization of H₂⁺ by intense circularly polarized laser fields

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DOIResolve DOI: https://doi.org/10.1103/PhysRevA.88.033411
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  1. National Research Council Canada. Security and Disruptive Technologies
FormatText
TypeArticle
Journal titlePhysical Review A
ISSN1050-2947
1094-1622
Volume88
Issue3
Pages1–8
Abstract
We analyze the distortion of the molecular frame photoelectron angular distributions of H₂⁺ ionized by a strong, circularly polarized infrared laser field using classical trajectory Monte Carlo simulations. We find that the nonisotropic field of the molecular ion rotates the final electron momenta. The degree of distortion from the strong-field approximation's predictions is thereby sensitive to the field strength and the internuclear distance but, counterintuitively, does not necessarily decrease for high field strengths. Furthermore, the distortion also depends crucially on the initial momentum of the classical electron after tunneling, while the exact shape of the ionization rate seems to be less important. A trajectory analysis within our simple model allows us to interpret recent experimental results.
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PublisherAmerican Physical Society
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LanguageEnglish
Peer reviewedYes
NPARC number23000488
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Record identifier5bc1d097-91ab-4942-a161-98e52a911b43
Record created2016-07-25
Record modified2019-03-08
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