Journal
PHYSICAL REVIEW LETTERS
Volume 118, Issue 21, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.118.213201
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Funding
- Department of Energy [DE-FG02-05ER15713]
- Science Challenge Project [TZ2017005]
- U.S. Department of Energy (DOE) [DE-FG02-05ER15713] Funding Source: U.S. Department of Energy (DOE)
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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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