Strong field tunnel ionization by real-valued classical trajectories

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DOIResolve DOI: http://doi.org/10.1103/PhysRevLett.90.233005
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TypeArticle
Journal titlePhysical Review Letters
Volume90
Issue23
Pages233005–; # of pages: 1
AbstractStrong field tunnel ionization of an atom is considered from the point of view of semiclassical initial value representation methods which are based on real-valued classical trajectories alone. While the straightforward application of such propagators fails to give an accurate description of tunnel ionization in one dimension, incorporating the semiclassical propagator into S-matrix techniques standard in strong field physics leads to a more accurate method which recovers the tunneling dynamics. From the point of view of strong field physics, this procedure offers a method of incorporating core effects into the standard strong field approximation. In two dimensions, both the standard and the new semiclassical propagators are shown to give equally accurate results at sufficiently short times, but the new method exhibits much better scaling of the convergence rate with increasing dimensionality.
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AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12338336
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Record identifier4187cd35-6156-40ea-960b-d579836e51b8
Record created2009-09-10
Record modified2016-05-09
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