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Quasiclassical approach to high-energy QED processes in strong laser and atomic fields
Quasiclassical high-energy QED processes strong laser atomic fields Atomic Physics
2012/4/20
An approach, based on the use of the quasiclassical Green's function, is developed for investigating high-energy quantum electrodynamical processes in combined strong laser and atomic fields. Employin...
Radiative polarization of electrons in a strong laser wave
Radiative polarization electrons Radiative polarization
2011/9/9
Radiative polarization of electrons brought into collision with a high power laser is studied. We derive an expression for the squared amplitude of this process (summed over polarizations of the final...
Ultra-strong laser pulses: streak-camera for gamma-rays via pair production and quantum radiative reaction
gamma-rays zeptosecond pulses strong laser field electron-positron pair production radiation reaction
2011/8/5
Abstract: We show that a strong laser pulse combined with a strong x-ray pulse can be employed in a detection scheme for characterizing high-energy $\gamma$-ray pulses down to the zeptosecond timescal...
Mechanism of delayed double ionization in a strong laser field
Centre de Physique Theoriqu Georgia Institute of Technology
2011/8/4
Abstract: When intense laser pulses release correlated electrons, the time delay between the ionizations may last more than one laser cycle. We show that this "Recollision-Excitation with Subsequent I...
Relativistic quantum theory of high harmonic generation on atoms/ions by strong laser fields
atoms/ions strong laser fields high harmonic generation
2011/9/1
High-order harmonic generation (HHG) by hydrogenlike atoms/ions in the uniform periodic electric field, formed by the two linearly polarized counterpropagating laser beams of relativistic intensities,...
Wavelength and intensity dependence of multiple forward scattering at above-threshold ionization in mid-infrared strong laser fields
Wavelength intensity forward scattering above-threshold ionization
2010/11/16
The nonperturbative role of multiple forward scattering for Coulomb focusing in mid-infrared laser fields and its dependence on a laser intensity and wavelength are investigated for low-energy photoe...
Nuclear Collective Excitation by a Short Strong Laser Pulse
Nuclear Collective Short Strong Laser Pulse
2010/10/27
We derive the conditions on the average laser energy and the mean photon number such that
a strong short laser pulse causes collective nuclear excitation. We use the nuclear Giant Dipole Resonance as...