Photodetachment in a strong circularly polarized laser field

Journal Article · Thu Jul 01 00:00:00 EDT 2004 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.70.011402· OSTI ID:20643853

Beiser, Svea; Klaiber, Michael; Kiyan, Igor Yu ^[1]

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1. Physikalisches Institut, Albert-Ludwigs-Universitaet, D-79104 Freiburg (Germany)

The saddle-point analysis of the transition amplitude shows that the quantum interference effect does not occur in the direct process of photodetachment by a circularly polarized laser field. This fact is interpreted in terms of classical electron trajectories. Comparison between the length and velocity gauges is performed by simulating spectra of photoelectrons produced in a focus of a laser pulse. A substantial discrepancy is found in the kinetic energy distribution of photoelectrons. At low energies, only the predictions in the length gauge are consistent with the Wigner threshold law.

• OSTI ID: 20643853
• Journal Information: Physical Review. A, Vol. 70, Issue 1; Other Information: DOI: 10.1103/PhysRevA.70.011402; (c) 2004 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
COMPARATIVE EVALUATIONS
DISTRIBUTION
ELECTRONS
INTERFERENCE
KINETIC ENERGY
LASER RADIATION
LENGTH
PHOTOELECTRON SPECTROSCOPY
PHOTOIONIZATION
POLARIZATION
PULSES
TRAJECTORIES
TRANSITION AMPLITUDES
VISIBLE RADIATION