Beyond the ponderomotive limit: Direct laser acceleration of relativistic electrons in sub-critical plasmas

The paper examines a regime in which a linearly polarized laser pulse with relativistic intensity irradiates a sub-critical plasma for much longer than the characteristic electron response time. A steady-state channel is formed in the plasma in this case with quasi-static transverse and longitudinal electric fields. These relatively weak fields significantly alter the electron dynamics.

This is a review paper that discusses a ubiquitous electron acceleration mechanism. Reproducing the discussed regimes can serve as a good learning platform.

  Paper URL: https://doi.org/10.1063/1.4946024

  Code URL: https://doi.org/10.1063/1.4946024

Tags: EPOCH

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