On the Schwinger limit attainability with extreme power lasers - Physics > Plasma PhysicsReport as inadecuate




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Abstract: Circularly polarized colliding laser pulses can create abundantelectron-positron pair plasma A. R. Bell and J. G. Kirk, Phys. Rev. Lett. 101,200403 2008, which scattering the incoming electromagnetic waves can preventthem from reaching the critical field of Quantum Electrodynamics causing vacuumbreakdown and polarization. It is shown that the effects of radiation frictionand the electron-positron avalanche development depend on the electromagneticwave polarization. For circularly polarized colliding pulses, which force theelectrons to move in circles, these effects dominate not only the particlemotion but also the evolution of the pulses. While for linearly polarizedpulses, where the electrons positrons oscillate along the electric field,these effects are not as strong. There is an apparent analogy of these caseswith circular and linear electron accelerators with the correspondingconstraining and reduced roles of synchrotron radiation losses.



Author: Stepan S. Bulanov, Timur Zh. Esirkepov, Alexander G. R. Thomas, James K. Koga, Sergei V. Bulanov

Source: https://arxiv.org/



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