Floquet-Bloch theory of photoeffect in intense laser fields

Physical Review A - Atomic, Molecular, and Optical Physics

Volumn 58, Issue 1, 1998, Pages R19-R22

  Faisal, F H M ^a   Kaminski J Z ^b  

^a BIELEFELD UNIVERSITY   (Germany)

^b UNIVERSITY OF WARSAW   (Poland)

Author keywords

[No Author keywords available]

Indexed keywords

BAND STRUCTURE; COMPUTER SIMULATION; ELECTRON EMISSION; ELECTRONIC DENSITY OF STATES; EMISSION SPECTROSCOPY; LASERS; MATHEMATICAL MODELS; PHOTONS; SPECTRUM ANALYSIS;

ELECTRON SOMMERFELD MODEL; EMISSION BANDS; FLOQUET-BLOCH THEORY; LASER FIELDS; PHOTOEFFECT;

PHOTOEMISSION;

EID: 0032112535     PISSN: 10502947     EISSN: 10941622     Source Type: Journal    
DOI: 10.1103/PhysRevA.58.R19     Document Type: Article

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26. With decreasing frequency, and increasing intensity, finer and finer gaps of zero currents (white strips) appear that are expected to give rise to a fractal-like structure in the photo-current spectrum.
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28. For example, we found from simulations carried out at a lower intensity (e.g., (Formula presented) (Formula presented)) that the corresponding ATSE spectrum showed all the structures seen at a higher intensity (e.g., at (Formula presented) of Fig. 55) but gave currents many orders of magnitude lower, e.g., eight orders lower at (Formula presented) than in Fig. 55, which would easily avoid the formation of high space charge.