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.

arXiv comment5 pages, 2 pdf figures. Version 2: extended discussion of cascades, references updated. To appear in PRL

References in corpus (13)

• Extremely high-intensity laser interactions with fundamental quantum systems
• Prolific pair production with high-power lasers
• Dynamically assisted Schwinger mechanism
• QED cascades induced by circularly polarized laser fields
• Limitations on the attainable intensity of high power lasers
• Multiple colliding electromagnetic pulses: a way to lower the threshold of $e^{+}{e}^{-}$ pair production from vacuum
• New Strong-Field QED Effects at ELI: Nonperturbative Vacuum Pair Production
• On the Schwinger limit attainability with extreme power lasers
• Catalysis of Schwinger Vacuum Pair Production
• On e^+e^- pair production by a focused laser pulse in vacuum
• A Lorentz and gauge invariant measure of laser intensity
• Laser field absorption in self-generated electron-positron pair plasma
• Pair creation by a photon in an electric field

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