無衝突衝撃波の生成と粒子加速の物理

• Project/Area Number: 11J06987
• Research Category: Grant-in-Aid for JSPS Fellows
• Allocation Type: Single-year Grants
• Section: 国内
• Research Field: Plasma science
• Research Institution: Osaka University
• Principal Investigator: 森田 太智 大阪大学, レーザーエネルギー学研究センター, 特別研究員(PD)
• Project Period (FY): 2011 – 2013
• Project Status: Completed (Fiscal Year 2013)
• Budget Amount: ¥2,400,000 (Direct Cost: ¥2,400,000); Fiscal Year 2013: ¥800,000 (Direct Cost: ¥800,000); Fiscal Year 2012: ¥800,000 (Direct Cost: ¥800,000); Fiscal Year 2011: ¥800,000 (Direct Cost: ¥800,000)
• Keywords: 無衝突衝撃波 / 高出力レーザー / プラズマ計測 / 磁場計測 / レーザー / トムソン散乱計測

Research Abstract

宇宙線の加速機構として非常に重要な役割を果たす無衝突衝撃波の物理を実験的に研究するため、大型レーザー生成高速プラズマ流を用いた実験を行ってきた。2012年度までの結果から、kJ程度の出力エネルギーを持っレーザーシステムを用いて静電的な無衝突衝撃波の生成が可能であることを示した。今年度は、その衝撃波の詳細なパラメータを計測するため、実験研究を続けてきた。また、より宇宙の環境に近い電磁不安定性(Weibel不安定性)による衝撃波の生成実験も平行して行ってきた。具体的には(1)衝撃波周辺の電子・イオン温度計測、(2)衝撃波周辺の電場計測、(3)磁場計測システムの構築、(4)電磁不安定性による衝撃波の生成の4点である。1、2に挙げたプラズマのパラメータ計測、電場計測については、すでに大阪大学激光XII号(GXII)レーザー、Lawrence Livermore National LaboratoryのJupiterレーザーシステムを用いた実験において、計測から無衝突衝撃波の生成を明らかにし、論文として発表した。また、3に挙げた磁場計測システムは、20013年度に行った実験(GXIIレーザー)において構築し、データ取得を試みた。有意なデータ取得までは達成できなかったが、今後はさらに改良を進める予定である。4に関しては、米国Omega/Omega-EPレーザーを用いた実験において電磁不安定性の成長を確認するところまで進め、今後はNational Ignition Facilityにおける実験において衝撃波の生成を検証する実験が開始される予定である。本年度はさらに衝撃波やレーザー生成プラズマ中における自己生成磁場の計測をめざし、ファラデー回転やZeeman効果の計測をGXII実験において計画している。

Strategy for Future Research Activity

(抄録なし)

Research Products

• [Journal Article] Experiments to investigate the effects of radiative cooling on plasma jet collimation (2014)
  • Author(s): C. D. Gregory, A. Diziére, H. Aoki, H. Tanji, T. Ide, É. Fal ize, B. Loupias, C. Michaut, T. Morita, S. A. Pikuz, A. Ravasio, Y. Kuramitsu, Y. Sakawa, H. Takabe, N. C. Woolsey, M. Koenig
  • Journal Title: High Energy Density Physics Volume: 11 Pages: 12-16
  • DOI: 10.1016/j.hedp.2013.12.003
  • Peer Reviewed
• [Journal Article] Thomson scattering measurement of a shock in laser-produced counter-st reaming plasmas (2013)
  • Author(s): T. Morita, Y. Sakawa, K. Tomita, T. Ide, Y. Kuramitsu, T. Moritaka, K. Nishio, K. Nakayama, K. Inoue, M. Kuwada, H. Ide, K. Tsubouchi, K. Uchino, H. Takabe
  • Journal Title: Physics of Plasmas Volume: 20 Issue: 9
  • DOI: 10.1063/1.4821967
  • Peer Reviewed
• [Journal Article] Laboratory experiments on plasma jets in a magnetic field using high-power lasers (2013)
  • Author(s): K. Nishio, Y. Sakawa, Y. Kuramitsu, T. Morita, T. Ide, M. Kuwada, M. Koga, T. Kato, T. Norimatsu, C. Gregory, N. Woolsey, C. Murphy, G. Gregori, K. Schaar, A. Diziere, M. Koenig, A. Pelka, S. Wang, Q. bong, Y. Li, H. Takabe
  • Journal Title: EPJ Web of Conferences Volume: 59 Pages: 15004-15004
  • DOI: 10.1051/epjconf/20135915004
  • Peer Reviewed
• [Journal Article] Plasma particle-in-cell simulations with QED reactions for pair production experiments using a high-Z solid target (2013)
  • Author(s): Toseo Moritaka, Luca Baiotti, An Lin, Li Weiwu, Youichi Sakawa, Yasuhiro Kuramitsu, Taichi Morita, Hideaki Takabe
  • Journal Title: Journal of Physics : Conference Series Volume: 454
  • Peer Reviewed
• [Journal Article] New insights into the laser produced electron-positron pairs (2013)
  • Author(s): Hui Chen, M. Nakai, Y. Sentoku, Y. Arikawa, H. Azechi, S. Fujioka, C. Keane, S. Kojima, W. Goldstein, BR. Maddox, N. Miyanaga, T. Morita, T. Nagai, H. Nishimura, T. Ozaki, J. Park, Y. Sakawa, H. Takabe, G. Williams, Z. Zhang
  • Journal Title: New Journal of Physics Volume: 15 Issue: 6 Pages: 65010-65010
  • DOI: 10.1088/1367-2630/15/6/065010
  • Peer Reviewed
• [Journal Article] Visualizing electromagnetic fields in laser-produced counter-streaming plasma experiments for collisionless shock laboratory astrophysics (2013)
  • Author(s): NL. Kugland, JS. Ross, P-Y. Chang, RP. Drake, G. Fiksel, DH. Froula, SH. Glanzer, G. Gregori, M. Grosskopf, C. Huntington, M. Koenig, Y. Kuramitsu, C. Kuranz, MC. Levy, E. Liang, D. Martinez, J. Mei necke, F. Miniati, T. Morita, A. Pelka, C. Plechaty, R. Presura, A. Ravasio, BA. Remington, B. Raville, DD. Ryutov, Y. Sakawa, A. Soitkovsky, H. Takabe, H-S. Park
  • Journal Title: Physics of Plasmas Volume: 20 Issue: 5 Pages: 239-242
  • DOI: 10.1063/1.4804548
  • Peer Reviewed
• [Journal Article] High-power laser experiments to study collisionless shock generation (2013)
  • Author(s): Y. Sakawa. Y. Kuramitsu, T. Morita. T. Kato, H. Tanji, T. Ide, K. Nishio, M. Kuwada, T. Tsubouchi, H. Ide, T. Norimatsu, C. Gregory, N. Woolsey, K. Scheer, C. Murphy, G. Gregori, A. Diziere, A. Pelka, M. Koenig, S. Wang, Q. Dong, Y. Li, H. -S. Park, S. Ross, N. Kugland, D. Ryutov, B. Remington. A. Spitkovsky, D. Froula, H. Takabe
  • Journal Title: EPJ Web of Conferences Volume: 59 Pages: 15001-15001
  • DOI: 10.1051/epjconf/20135915001
  • Peer Reviewed
• [Journal Article] Formation of counterstreaming plasmas for collisionless shock experiment (2013)
  • Author(s): T. Ide, Y. Sakawa, Y. Kuramitsu, T. Morita, H. Tanji, K. Nishio, M. Kuwada, H. Ide, K. Tsubouchi, S. Shimazaki, T. Taguchi, C. Gregory, A. Diziere, M. Nakatsutsumi, M. Koenig, N. Ohnishi, H. Takabe
  • Journal Title: EPJ Web of Conferences Volume: 59 Pages: 15002-15002
  • DOI: 10.1051/epjconf/20135915002
  • Peer Reviewed
• [Journal Article] Kelvin-helmholtz turbulence associated with collisionless shocks in laser produced plasmas (2012)
  • Author(s): Y. Kuramitsu, Y. Sakawa, S. Dono, CD. Gregory, SA. Pikuz, B. Loupias, M. Koenig, JN. Waugh, N. Woolsey, T. Morita, T. Moritaka, T. Sano, Y. Matsumoto, A. Mizuta, N. Ohnishi, H. Takabe
  • Journal Title: Physical Review Letters Volume: 108 Issue: 19 Pages: 195004-195004
  • DOI: 10.1103/physrevlett.108.195004
  • Peer Reviewed
• [Journal Article] Optical pyrometer system for collisionless shock experiments in high-power laser-produced plasmas (2012)
  • Author(s): T. Morita, Y. Sakawa, Y. Kuramitsu, S. Dono, T. Ide, S. Shibata, H. Aoki, H. Tanji, T. Sano, A. Shiroshita, JN. Waugh, CD. Gregory. NC. Woolsey, H. Takabe
  • Journal Title: Review of Scientific Instruments Volume: 83 Issue: 10
  • DOI: 10.1063/1.4733738
  • Peer Reviewed
• [Journal Article] Strong Compression of a Magnetic Field with a Laser-Accelerated Foil (2012)
  • Author(s): H. Yoneda, T. Namiki, A. Nishida, R. Kodama, Y. Sakawa, Y. Kuramitsu, T. Morita, K. Nishio, T. Ide
  • Journal Title: Physical Review Letters Volume: 109 Issue: 12
  • DOI: 10.1103/physrevlett.109.125004
  • Peer Reviewed
• [Journal Article] Self-organized electromagnetic field structures in laser-produced counter-streaming plasmas (2012)
  • Author(s): NL. Kugland, DD. Ryutov, PY. Chang, RP. Drake, G. Fiksel, DH. Froula, SH. Glenzer, G. Gregori, M. Grosskopf, M. Koenig, Y. Kuramitsu, C. Kuranz, MC. Levy, E. Liang, J. Meinecke, F. Miniati, T. Morita, A. Pelka, C. Plechaty, R. Presura, A. Ravasio, BA. Remington, B. Reville, JS. Ross, Y. Sakawa, A. Spitkovsky, H. Takabe, HS. Park
  • Journal Title: Nature Physics Volume: 8 Issue: 11 Pages: 809-812
  • DOI: 10.1038/nphys2434
  • Peer Reviewed
• [Journal Article] Laboratory investigations on the origins of cosmic rays (2012)
  • Author(s): Y. Kuramitsu, Y. Sakawa, T. Morita, T. Ide, K. Nishio, H. Tanji, H. Aoki, S. Dono, C. D. Gregory, J. N. Waugh, N. Woolsey, A. Diziere, A. Pelka, A. Ravasio, B. Loupias, M. Koenig, S. A. Pikuz, Y. T. Li, Y. Zhang, X. Liu, J. Y. Zhong, J. Zhang, G. Gregori, N. Nakanii, K. Kondo, Y. Mori, E. Miura, R. Kodama, Y. Kitagawa, K. Mima, K. A. Tanaka, H. Azechi, T. Moritaka, Y. Matsumoto, T. Sano, A. Mizuta, N. Ohnishi, M. Hoshino, and H. Takabe
  • Journal Title: Plasma Physics and Controlled Fusion Volume: 54 Issue: 12 Pages: 124049-124049
  • DOI: 10.1088/0741-3335/54/12/124049
  • Peer Reviewed
• [Journal Article] Kelvin-Helmholtz turbulence associated with collisionless shocks in laser produced plasmas (2012)
  • Author(s): Y.Kuramitsu, et al
  • Journal Title: Physical Review Letter Volume: (accepted)
  • Peer Reviewed
• [Journal Article] Studying astrophysical collisionless shocks with counterstrearming plasmas from high power lasers (2012)
  • Author(s): Hye-Sook Park, D.D.Ryutov, J.S.Ross, N.L.Kugland, S.H.Glenzer, C.Plechaty, S.M.Pollaine, B.A.Remington, A.Spitkovsky, L.Gargate, G.Gregori, A.Bell, C.Murphy, Y.Sakawa, Y.Kuramitsu, T.Morita, H.Takabe, D.H.Froula, G.Fiksel, F.Miniati, M.Koenig, A.Ravasio, A.Pelka, E.Liang, N.Woolsey, C.C.Kuranz, R.P.Drake, M.J.Grosskopf
  • Journal Title: High Energy Density Physics Volume: 8 Pages: 38-45
  • Peer Reviewed
• [Journal Article] Collisionless shockwaves formed by counter-streaming laser-produced plasmas (2011)
  • Author(s): X.Liu, 他7名, Y.Sakawa, T.Morita, Y.Kuramitsu, 他13名
  • Journal Title: New Journal of Physics Volume: 13 Pages: 93001-93001
  • Peer Reviewed
• [Journal Article] Collisionless shock wave generation in counter-streaming plasmas using Gekko XII HIPER laser (2011)
  • Author(s): T.Ide, Y.Sakawa, Y.Kuramitsu, T.Morita, 他14名
  • Journal Title: Plasma and Fusion Research Volume: 6 Pages: 2404057-14
  • Peer Reviewed
• [Journal Article] Time Evolution of a Collisionless Shock in Counterstreaming Laser Produced Plasmas (2011)
  • Author(s): Y.Kuramitsu, Y.Sakawa, H.Takabe, T.Morita, 他7名
  • Journal Title: Physical Review Letter Volume: 106 Pages: 175002-175002
  • Peer Reviewed
• [Presentation] 高出力レーザーを用いた無衝突衝撃波の生成とその電磁場計測 (2013)
  • Author(s): 森田太智, N. L. Kugland, W. Wan R. Crowston, R. P. Drake, F. Fiuza, G. Gregori, C. Huntington 石川大志, M. Koenig, C. Kuranz, M. C. Levy, D. Martinez, J. Meinecke, F. Miniati. C. D. Murphy, A. Pelka, C. Plechaty, R. Presura, N. Quiros, B. A. Remington. B. Reville, J. S. Ross, D. D. Ryutov, 坂和洋一, L. Steele, 髙部英明, 山浦佑太, N. Woolsey, H. -S. Park
  • Organizer: 日本物理学会
  • Place of Presentation: 徳島大学
  • Year and Date: 2013-09-28
• [Presentation] 高出力レーザー生成プラズマ及び衝撃波のターゲット材質依存性について (2013)
  • Author(s): 山浦佑太, 坂和洋一, 蔵満康浩, 森田太智, 石川大志, 森高外征雄, 佐野孝好, 下田亮, 富田健太郎, 内野喜一郎, 松清修一, 水田晃, 大西直文, R. Crowston, N. Woolsey, H. Doyle, G. Gregori, A. Ravasio A. Pelka, M. Koenig, C. Michaut, D. Yuan, Y. Li, K. Zhang, J. Zhong, F. Wang, 髙部英明
  • Organizer: 日本物理学会
  • Place of Presentation: 徳島大学
  • Year and Date: 2013-09-28
• [Presentation] 高出力レーザーを用いたプラズマジェットのコリメーション現象の研究 (2013)
  • Author(s): T. Ishikawa. Y. Sakawa, Y. Kuramitsu, T. Morita, Y. Yamaura, T. Wadagaki, T. Moritaka, T. Sano, R. Shimoda, K. Tomita, K. Uchino, S. Matsukiyo, A. Mizuta, N. Ohnishi, R. Crowston, N. Woolsey, H. Doyle, G., Gregori, A. Ravasio, A. Pelka, M. Koenig, C. Michaut, D. Yuan, Y. Li, K. Zhang, J. Zhong, F. Wang, H. Takabe
  • Organizer: 日本物理学会
  • Place of Presentation: 徳島大学
  • Year and Date: 2013-09-28
• [Presentation] Measurement of electrostatic field associated with a shock formed in laser-produced counter-streaming plasmas (2013)
  • Author(s): T. Morita, N. L. Kugland, W. Wan, R. Crowston. R. P. Drake, G. Gregori, C. Huntington, T. Ishikawa, M. Koenig, C. Kuranz, M. C. Levy, D. Martinez, J. Meinecke, F. Miniati, C. D. Murphy, A. Pelka, C. Plechaty, R. Presura, N. Quiros, B. A. Remington, B. Reville, J. S. Ross, D. D. Ryutov, Y. Sakawa, L. Steele, H. Takabe, Y. Yamaura, N. Woolsey, H. -S. Park
  • Organizer: The Eighth International Conference on Inertial Fusion Sciences and Applications (IFSA 2013)
  • Place of Presentation: 奈良
  • Year and Date: 2013-09-13
• [Presentation] Material dependence of shock waves in laser-produced counter-streaming plasmas (2013)
  • Author(s): Y. Yamaura, Y. Sakawa, Y. Kuramitsu, T. Morita. T. Ishikawa, T. Moritaka, T. Sano, R. Shimoda, K. Tomita, K. Uchino, S. Matsukiyo, A. Mizuta, N. Ohnishi, R. Crowston, N. Woolsey, H. Doyle, G. Gregori, A. Ravasio, A. Pelka, M. Koenig, C. Michaut, D. Yuan, Y. Li, K. Zhang, J. Zhong, F. Wang, H. Takabe
  • Organizer: The Eighth International Conference on Inertial Fusion Sciences and Applications (IFSA 2013)
  • Place of Presentation: 奈良
  • Year and Date: 2013-09-09
• [Presentation] Thomson scattering measurement of a collimated plasma jet generated by a high-power laser system (2013)
  • Author(s): T. Ishikawa, Y. Sakawa, Y. Kurantitsu, T. Morita, Y. Yamaura, T. Moritaka, T. Sano, R. Shimoda, K. Tomita, K. Uchino, S. Matsukiyo, A. Mizuta, N. Ohnishi. R. Crowston, N. Woolsey. H. Doyle, G. Gregori, A. Ravasio, A. Pelka. M. Koenig, C. Michaut, D. Yuan, Y. Li, K. Zhang, T. Zhong, F. Wang. H. Takabe
  • Organizer: The Eighth International Conference on Inertial Fusion Sciences and Applications (IFSA 2013)
  • Place of Presentation: 奈良
  • Year and Date: 2013-09-09
• [Presentation] Optical Pyrometer System for Collisionless Shock Experiments in High-Power Laser-Produced Plasmas (2012)
  • Author(s): T. Morita, Y. Sakawa, Y. Kuramitsu, S. Dono T. Ide, S. Shibata, H. Aoki, H. Tanji, T. Sano, A. Shiroshita, J. Waugh, C. Gregory, N. Woolsey, H. Takabe
  • Organizer: 19th High Temperature Plasma Diagnostics Conference
  • Place of Presentation: Monterey, USA
  • Year and Date: 2012-05-07
• [Presentation] Laboratory Experiments to Study Collisionless Shocks (2012)
  • Author(s): Y. Sakawa, Y. Kuramitsu, T. Morita, T. Ide, K. Nishio, H. Ide, K. Tsubouchi, K. Tomita, K. Uchino, N. Woolsey, C. Murphy, G. Gregori, A. Ravasio, A. Pelka, M. Koenig, A. Spitkovsky, N. L. Kugl and, J. S. Ross, H. -S. Park, B. Remington, H. Takabe
  • Organizer: 9th International Conference on High Energy Density Laboratory Astrophysics
  • Place of Presentation: Tallahassee, Florida, USA
  • Year and Date: 2012-05-03
• [Presentation] Electron scale magnetic reconnection in a laser produced plasma (2012)
  • Author(s): Y. Kuramitsu, Y. Sakawa, T. Morita, K. Nishio, T. Ide, H. Ide, K. Tsubouchi, K. Tomi ta, K. Uchino, T. Moritaka, H. Takabe
  • Organizer: 9th International Conference on High Energy Density Laboratory Astrophysics
  • Place of Presentation: Tallahassee, Florida, USA
  • Year and Date: 2012-04-30
• [Presentation] High Machnumber shockshock interactions in laser-produced counter-streaming plasmas (2012)
  • Author(s): 森田太智
  • Organizer: 日本物理学会
  • Place of Presentation: 関西学院大学
  • Year and Date: 2012-03-26
• [Presentation] High Mach-number collisionless shock formation driven by a high-power laser with an external magnetic field (2011)
  • Author(s): 森田太智
  • Organizer: プラズマカンファレンス
  • Place of Presentation: 石川県金沢市
  • Year and Date: 2011-11-24
• [Presentation] High Mach-number collisionless shock driven by a high-power laser system Gekko-XII HIPER (2011)
  • Author(s): 森田太智
  • Organizer: IFSA 2011
  • Place of Presentation: Bordeaux, France
  • Year and Date: 2011-09-13
• [Remarks] 非線形プラズマ実験グループホームページ
  • URL: http://www.ile.osaka-u.ac.jp/research/pnx/
• [Remarks] 非線形プラズマ実験グループホームページ
  • URL: http://www.ile.osaka-u.ac.jp/research/pnx/