Laser-induced multiphoton dissociation branching ratios for H2+ and D2+

J. J. Hua and B. D. Esry
Phys. Rev. A 80, 013413 – Published 23 July 2009

Abstract

The multiphoton dissociation branching ratios for H2+ and D2+ as a function of laser peak intensity and pulse length are investigated by solving the time-dependent Schrödinger equation in the Born-Oppenheimer approximation, neglecting nuclear rotation. An 800 nm laser pulse with peak intensities from 8×109W/cm2 to 1014W/cm2 and pulse lengths from 5 to 7.5 fs is used. We also investigate the viability of identifying zero-, one-, two-, and three-photon processes based only on the nuclear kinetic energy release spectrum, and check these identifications with a rigorous Floquet-like method.

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  • Received 21 April 2009

DOI:https://doi.org/10.1103/PhysRevA.80.013413

©2009 American Physical Society

Authors & Affiliations

J. J. Hua and B. D. Esry

  • J. R. Macdonald Laboratory, Department of Physics, Kansas State University, Manhattan, Kansas 66506, USA

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Vol. 80, Iss. 1 — July 2009

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