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Numerical Detector Theory for the Longitudinal Momentum Distribution of the Electron in Strong Field Ionization
Justin Tian1, Xu Wang2, J H Eberly1
1Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA.
Abstract:
The lack of analytical solutions for the exit momentum in the laser-driven tunneling theory is a well-recognized problem in strong field physics. Theoretical studies of electron momentum distributions in the neighborhood of the tunneling exit depend heavily on ad hoc assumptions. In this Letter, we apply a new numerical method to study the exiting electron's longitudinal momentum distribution under intense short-pulse laser excitation. We present the first realizations of the dynamic behavior of an electron near the so-called tunneling exit region without adopting a tunneling approximation.
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