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Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt.

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Author

  • D A MacLellan
  • D C Carroll
  • R J Gray
  • N Booth
  • Matthias Burza
  • M P Desjarlais
  • F Du
  • D Neely
  • H W Powell
  • A P L Robinson
  • G G Scott
  • X H Yuan
  • Claes-Göran Wahlström
  • P McKenna
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Summary, in English

The influence of lattice-melt-induced resistivity gradients on the transport of mega-ampere currents of fast electrons in solids is investigated numerically and experimentally using laser-accelerated protons to induce isochoric heating. Tailoring the heating profile enables the resistive magnetic fields which strongly influence the current propagation to be manipulated. This tunable laser-driven process enables important fast electron beam properties, including the beam divergence, profile, and symmetry to be actively tailored, and without recourse to complex target manufacture.

Department/s

Publishing year

2014

Language

English

Publication/Series

Physical Review Letters

Volume

113

Issue

18

Document type

Journal article

Publisher

American Physical Society

Topic

  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1079-7114