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Effect of Strongly Magnetized Electrons and Ions on Heat Flow and Symmetry of Inertial Fusion Implosions.
Bose, A; Peebles, J; Walsh, C A; Frenje, J A; Kabadi, N V; Adrian, P J; Sutcliffe, G D; Gatu Johnson, M; Frank, C A; Davies, J R; Betti, R; Glebov, V Yu; Marshall, F J; Regan, S P; Stoeckl, C; Campbell, E M; Sio, H; Moody, J; Crilly, A; Appelbe, B D; Chittenden, J P; Atzeni, S; Barbato, F; Forte, A; Li, C K; Seguin, F H; Petrasso, R D.
Afiliação
  • Bose A; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Peebles J; Department of Physics and Astronomy, University of Delaware, Newark, Delaware, USA.
  • Walsh CA; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Frenje JA; Lawrence Livermore National Laboratory, Livermore, California, USA.
  • Kabadi NV; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Adrian PJ; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Sutcliffe GD; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Gatu Johnson M; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Frank CA; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
  • Davies JR; Department of Physics and Astronomy, University of Delaware, Newark, Delaware, USA.
  • Betti R; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Glebov VY; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Marshall FJ; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Regan SP; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Stoeckl C; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Campbell EM; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Sio H; Laboratory for Laser Energetics, University of Rochester, Rochester, New York, USA.
  • Moody J; Lawrence Livermore National Laboratory, Livermore, California, USA.
  • Crilly A; Lawrence Livermore National Laboratory, Livermore, California, USA.
  • Appelbe BD; Blackett Laboratory, Imperial College, London, United Kingdom.
  • Chittenden JP; Blackett Laboratory, Imperial College, London, United Kingdom.
  • Atzeni S; Blackett Laboratory, Imperial College, London, United Kingdom.
  • Barbato F; Dipartimento SBAI, Universita di Roma La Sapienza, Rome, Italy.
  • Forte A; Dipartimento SBAI, Universita di Roma La Sapienza, Rome, Italy.
  • Li CK; Dipartimento SBAI, Universita di Roma La Sapienza, Rome, Italy.
  • Seguin FH; Department of Physics, University of Oxford, Oxford, United Kingdom.
  • Petrasso RD; Plasma Science and Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts, USA.
Phys Rev Lett ; 128(19): 195002, 2022 May 13.
Article em En | MEDLINE | ID: mdl-35622051
ABSTRACT
This Letter presents the first observation on how a strong, 500 kG, externally applied B field increases the mode-two asymmetry in shock-heated inertial fusion implosions. Using a direct-drive implosion with polar illumination and imposed field, we observed that magnetization produces a significant increase in the implosion oblateness (a 2.5× larger P2 amplitude in x-ray self-emission images) compared with reference experiments with identical drive but with no field applied. The implosions produce strongly magnetized electrons (ω_{e}τ_{e}≫1) and ions (ω_{i}τ_{i}>1) that, as shown using simulations, restrict the cross field heat flow necessary for lateral distribution of the laser and shock heating from the implosion pole to the waist, causing the enhanced mode-two shape.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2022 Tipo de documento: Article