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Tunable mega-ampere electron current propagation in solids by dynamic control of lattice melt.
MacLellan, D A; Carroll, D C; Gray, R J; Booth, N; Burza, M; Desjarlais, M P; Du, F; Neely, D; Powell, H W; Robinson, A P L; Scott, G G; Yuan, X H; Wahlström, C-G; McKenna, P.
Afiliação
  • MacLellan DA; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom.
  • Carroll DC; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom.
  • Gray RJ; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom.
  • Booth N; Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, United Kingdom.
  • Burza M; Department of Physics, Lund University, P.O. Box 118, S-22100 Lund, Sweden.
  • Desjarlais MP; Sandia National Laboratories, P.O. Box 5800, Albuquerque, New Mexico 87185, USA.
  • Du F; Beijing National Laboratory of Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100190, China.
  • Neely D; Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, United Kingdom.
  • Powell HW; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom.
  • Robinson AP; Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, United Kingdom.
  • Scott GG; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom and Central Laser Facility, STFC Rutherford Appleton Laboratory, Oxfordshire OX11 0QX, United Kingdom.
  • Yuan XH; Key Laboratory for Laser Plasmas (Ministry of Education) and Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.
  • Wahlström CG; Department of Physics, Lund University, P.O. Box 118, S-22100 Lund, Sweden.
  • McKenna P; SUPA, Department of Physics, University of Strathclyde, Glasgow G4 0NG, United Kingdom.
Phys Rev Lett ; 113(18): 185001, 2014 Oct 31.
Article em En | MEDLINE | ID: mdl-25396375
ABSTRACT
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.
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article
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Base de dados: MEDLINE Idioma: En Ano de publicação: 2014 Tipo de documento: Article