title: Probing nonperturbative QED with optimally focused laser pulses.
abstract: We study nonperturbative pair production in intense, focused laser fields called e-dipole pulses. We address the conditions required, such as the quality of the vacuum, for reaching high intensities without initiating beam-depleting cascades, the number of pairs which can be created, and experimental detection of the created pairs. We find that e-dipole pulses offer an optimal method of investigating nonperturbative QED.
authors: Department of Physics, Umeå University, SE-90187 Umeå, Sweden. arkady.gonoskov@physics.umu.se
authors: A
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authors: Gonoskov
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authors: Gonoskov
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authors: Harvey
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authors: Ilderton
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authors: Kim
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authors: Marklund
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authors: Mourou
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authors: Sergeev