Journal
JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
Volume 38, Issue 3, Pages 237-254Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0953-4075/38/3/008
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- Engineering and Physical Sciences Research Council [GR/S61331/01, EP/C517113/1] Funding Source: researchfish
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We present a practical and efficient computational method for the solution of the time-dependent full-dimensionality Schrodinger equation for two-electron atoms in intense laser fields. The method, incorporating electric quadrupole and magnetic dipole terms, is a generalization of an approach within the dipole approximation that has previously found successful application at wavelengths from the visible to the XUV. We discuss the computational demands of nondipole calculations for helium. We deduce from our helium formulation the equivalent formulation for hydrogen and report calculations we have performed on this atom beyond the dipole approximation, producing results that are found to be in good agreement with literature values obtained by a different method.
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