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physics.atom-ph2019★ 5 cited
Understanding tunneling ionization of atoms in laser fields with the essence of multiphoton absorption
Long Xu, Libin Fu
The elaborate energy and momentum spectra of ionized electrons from atoms in laser fields suggest that the ionization dynamics described by tunneling theory should be modified. Alt…
physics.atom-ph2018★ 2 cited
Frequency-resolved photon-electronic spectroscopy for excited state population detection
Long Xu, Hui Dong, Libin Fu
Atomic excitation to excited states in strong laser field is the key to high-order harmonic generation below ionization threshold, yet remains unclear mainly due to the lack of pro…
physics.atom-ph2018
Multi-Channel Interference in Resonance-Like Enhancement of High-Order Above-Threshold Ionization
Long Xu, Libin Fu
The intensity-dependent resonance-like enhancement phenomenon in high-order above-threshold ionization spectrum is a typical quantum effect for atoms or molecules in the intense la…