Measuring Unruh radiation from accelerated electrons

Abstract

Detecting thermal Unruh radiation from accelerated electrons has presented a formidable challenge due not only to technical difficulties but also for lack of conceptual clarity about what is actually seen by a laboratory observer. We give a summary of the current interpretations along with a simpler heuristic description that draws on the analogy between the Unruh effect and radiation from a two-level atomic system. We propose an experiment to test whether there is emission of thermal photons from an accelerated electron.

This is an expanded version of section 3.2 of arXiv:2211.13187 which we wrote for the Multi Petawatt Prioritization (MP3) workshop. This paper has been accepted for publication in EPJC

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• Horizon-Brightened Acceleration Radiation and Optical Signatures of Generic Regular Black Holes from Nonlinear Electrodynamics