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Title: Incoherent synchrotron emission of laser-driven plasma edge

When a relativistically intense linearly polarized laser pulse is incident on an overdense plasma, a dense electron layer is formed on the plasma edge which relativistic motion results in high harmonic generation, ion acceleration, and incoherent synchrotron emission of gamma-photons. Here we present a self-consistent analytical model that describes the edge motion and apply it to the problem of incoherent synchrotron emission by ultrarelativistic plasma electrons. The model takes into account both coherent radiation reaction from high harmonics and incoherent radiation reaction in the Landau–Lifshitz form. The analytical results are in agreement with 3D particle-in-cell simulations in a certain parameter region that corresponds to the relativistic electronic spring interaction regime.
Authors:
; ;  [1] ;  [2]
  1. Institute of Applied Physics of the Russian Academy of Sciences, 46 Ulyanov St., Nizhny Novgorod 603950 (Russian Federation)
  2. (Russian Federation)
Publication Date:
OSTI Identifier:
22489961
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physics of Plasmas; Journal Volume: 22; Journal Issue: 12; Other Information: (c) 2015 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
70 PLASMA PHYSICS AND FUSION TECHNOLOGY; ACCELERATION; COHERENT RADIATION; COMPUTERIZED SIMULATION; ELECTRON-ELECTRON INTERACTIONS; ELECTRONS; GAMMA RADIATION; HARMONIC GENERATION; IONS; LASER RADIATION; PLASMA; PULSES; RELATIVISTIC RANGE; SYNCHROTRON RADIATION; THREE-DIMENSIONAL CALCULATIONS