منابع مشابه
Attosecond electron wave packet dynamics in strong laser fields.
We use a train of sub-200 attosecond extreme ultraviolet (XUV) pulses with energies just above the ionization threshold in argon to create a train of temporally localized electron wave packets. We study the energy transfer from a strong infrared (IR) laser field to the ionized electrons as a function of the delay between the XUV and IR fields. When the wave packets are born at the zero crossing...
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Abstract The problem of an ultrarelativistic charge in the presence of an atomic and a plane-wave field is investigated in the quasiclassical regime by including exactly the effects of both background fields. Starting from the quasiclassical Green’s function obtained in [Phys. Lett. B 717, 224 (2012)], the corresponding inand out-wave functions are derived in the experimentally relevant case of...
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Electron acceleration by fast magnetic reconnection in extragalactic jets is considered. A significant threedimensional magnetic field is assumed in the reconnecting current sheet where the particles are accelerated by the DC electric field. The character of electron orbits in the sheet is controled by the magnetic field that determines, in particular, the electron acceleration lengths < 10−2 p...
متن کاملElectron-positron pair production by photons in nonuniform strong fields.
A probability of electron-positron pair production by photons in strong nonuniform fields is derived by applying a model trajectory method in the frame of a semiclassical approach. In addition to the well known invariant field parameter chi, a new invariant parameter nu is introduced to characterize the nonuniformity of the field. For nu>>1, the obtained expression is reduced to the uniform-fie...
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The technical approach in this project involves three types of models: (1) the two-scale electromagnetic scattering model, which relates the radar backscatter to the surface wave spectrum, (2) the wave action model, which describes the relationship between the surface wave spectrum and the near-surface wind field, and (3) atmospheric dynamical models that describe or constrain the spatial varia...
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ژورنال
عنوان ژورنال: IEEE Transactions on Nuclear Science
سال: 1985
ISSN: 0018-9499
DOI: 10.1109/tns.1985.4334224