paper

Finding quantum effects in strong classical potentials

arXiv:1704.05034 · doi:10.1017/S0022377817000344

Abstract

The long-standing challenge to describing charged particle dynamics in strong classical electromagnetic fields is how to incorporate classical radiation, classical radiation reaction and quantized photon emission into a consistent unified framework. The current, semiclassical methods to describe dynamics of quantum particles in strong classical fields also provide the theoretical framework for fundamental questions in gravity and hadron-hadron collisions, including Hawking radiation, cosmological particle production and thermalization of particles created in heavy-ion collisions. However, as we show, these methods break down for highly relativistic particles propagating in strong fields. They must therefore be improved and adapted for the description of laser-plasma experiments that typically involve the acceleration of electrons. Theory developed from quantum electrodynamics, together with dedicated experimental efforts, offer the best-controllable context to establish a robust, experimentally-validated foundation for the fundamental theory of quantum effects in strong classical potentials.

arXiv comment23 pages, 2 figures, as published in Journal of Plasma Physics

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