Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field

Kazuki Matsuo, Hideo Nagatomo, Zhe Zhang, Philippe Nicolai, Takayoshi Sano, Shohei Sakata, Sadaoki Kojima, Seung Ho Lee, King Fai Farley Law, Yasunobu Arikawa, Youichi Sakawa, Taichi Morita, Yasuhiro Kuramitsu, Shinsuke Fujioka, Hiroshi Azechi

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Recent progress in the generation in the laboratory of a strong (>100-T) magnetic field enables us to investigate experimentally unexplored magnetohydrodynamics phenomena of a high-energy-density plasma, which an external magnetic field of 200-300 T notably affects due to anisotropic thermal conduction, even when the magnetic field pressure is much lower than the plasma pressure. The external magnetic field reduces electron thermal conduction across the external magnetic field lines because the Larmor radius of the thermal electrons in the external magnetic field is much shorter than the mean free path of the thermal electrons. The velocity of a thin polystyrene foil driven by intense laser beams in the strong external magnetic field is faster than that in the absence of the external magnetic field. Growth of sinusoidal corrugation imposed initially on the laser-driven polystyrene surface is enhanced by the external magnetic field because the plasma pressure distribution becomes nonuniform due to the external magnetic-field structure modulated by the perturbed plasma flow ablated from the corrugated surface.

Original languageEnglish
Article number053204
JournalPhysical Review E
Volume95
Issue number5
DOIs
Publication statusPublished - May 9 2017

Fingerprint

Energy Density
magnetohydrodynamics
External Field
High Energy
Plasma
flux density
Magnetic Field
Laser
magnetic fields
lasers
plasma pressure
Electron
Conduction
polystyrene
conduction
Larmor radius
electrons
Pressure Distribution
magnetohydrodynamic flow
pressure distribution

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Statistics and Probability
  • Condensed Matter Physics

Cite this

Matsuo, K., Nagatomo, H., Zhang, Z., Nicolai, P., Sano, T., Sakata, S., ... Azechi, H. (2017). Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field. Physical Review E, 95(5), [053204]. https://doi.org/10.1103/PhysRevE.95.053204

Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field. / Matsuo, Kazuki; Nagatomo, Hideo; Zhang, Zhe; Nicolai, Philippe; Sano, Takayoshi; Sakata, Shohei; Kojima, Sadaoki; Lee, Seung Ho; Law, King Fai Farley; Arikawa, Yasunobu; Sakawa, Youichi; Morita, Taichi; Kuramitsu, Yasuhiro; Fujioka, Shinsuke; Azechi, Hiroshi.

In: Physical Review E, Vol. 95, No. 5, 053204, 09.05.2017.

Research output: Contribution to journalArticle

Matsuo, K, Nagatomo, H, Zhang, Z, Nicolai, P, Sano, T, Sakata, S, Kojima, S, Lee, SH, Law, KFF, Arikawa, Y, Sakawa, Y, Morita, T, Kuramitsu, Y, Fujioka, S & Azechi, H 2017, 'Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field', Physical Review E, vol. 95, no. 5, 053204. https://doi.org/10.1103/PhysRevE.95.053204
Matsuo, Kazuki ; Nagatomo, Hideo ; Zhang, Zhe ; Nicolai, Philippe ; Sano, Takayoshi ; Sakata, Shohei ; Kojima, Sadaoki ; Lee, Seung Ho ; Law, King Fai Farley ; Arikawa, Yasunobu ; Sakawa, Youichi ; Morita, Taichi ; Kuramitsu, Yasuhiro ; Fujioka, Shinsuke ; Azechi, Hiroshi. / Magnetohydrodynamics of laser-produced high-energy-density plasma in a strong external magnetic field. In: Physical Review E. 2017 ; Vol. 95, No. 5.
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