顔写真

PHOTO

Natsumi Iwata
岩田　夏弥
Natsumi Iwata
岩田　夏弥
Institutional repository
Institute of Laser Engineering, Professor
Institutional repository

Research Areas 1

  1. Natural sciences / Mathematical physics and basic theory / Plasma physics, High energy density science, High intensity laser-plasma interaction

Awards 6

  1. Fumiko Yonezawa Memorial Award 2022

    N. Iwata　Japan Physical Society　2022/03

  2. プラズマ・核融合学会第26回学術奨励賞（伊藤早苗特別賞）

    Natsumi Iwata　The Japan Society of Plasma Science and Nuclear Fusion Research　2021/11

  3. The Young Scientists’ Prize, The Commendation for Science and Technology by the Minister of Education, Culture, Sports, Science and Technology

    Natsumi Iwata　Ministry of Education, Culture, Sports, Science and Technology (MEXT)　2020/04

  4. Osaka University Kondo Prize

    IWATA NATSUMI　Osaka University　2019/06

  5. Osaka University Prize

    IWATA NATSUMI　Osaka University　2018/11

  6. Young Scientist Award of the Physical Society of Japan

    IWATA NATSUMI　Japan Physical Society　2018/10

Papers 55

  1. Experimental measurements of gamma-photon production and estimation of electron/positron production on the PETAL laser facility

    F. Brun, L. Ribotte, G. Boutoux, X. Davoine, P. E. Masson-Laborde, Y. Sentoku, N. Iwata, N. Blanchot, D. Batani, I. Lantuéjoul, L. Lecherbourg, B. Rosse, C. Rousseaux, B. Vauzour, D. Raffestin, E. D’Humières, X. Ribeyre

    Matter and Radiation at Extremes　Vol. 9　No. 5　p. 057203-1-057203-16　2024/09/06　Research paper (scientific journal)

    Publisher: AIP Publishing

  2. Spatiotemporal dynamics of fast electron heating in solid-density matter via XFEL

    H. Sawada, T. Yabuuchi, N. Higashi, T. Iwasaki, K. Kawasaki, Y. Maeda, T. Izumi, Y. Nakagawa, K. Shigemori, Y. Sakawa, C. B. Curry, M. Frost, N. Iwata, T. Ogitsu, K. Sueda, T. Togashi, S. X. Hu, S. H. Glenzer, A. J. Kemp, Y. Ping, Y. Sentoku

    Nature Communications　Vol. 15　No. 1　p. 1-11　2024/09/05　Research paper (scientific journal)

    Publisher: Springer Nature

  3. Second harmonic generation of focused beams on the LFEX laser facility

    Yasunobu Arikawa, Hu Zhanngui, Koji Tsubakimoto, Alessio Morace, Ryunosuke Takizawa, Hiroyuki Shiraga, Mitsuo Nakai, Tatiana Pikuz, Artem S. Martynenko, Natsumi Iwata, Yasuhiko Sentoku, Masayasu Hata, Sadaoki. Kojima, Tomoyuki Johzaki, Yoshiki Nakata, Shinsuke Fujioka, Akifumi Yogo, Ryosuke Kodama

    Optics Express　Vol. 32　No. 16　p. 28390-28390　2024/07/23　Research paper (scientific journal)

    Publisher: Optica Publishing Group

  4. Generations of spiral laser beam, spiral electron beam and longitudinal magnetic fields in hole-boring

    K. Mima, Martin Matys, Y. Sentoku, H. Nagatomo, N. Iwata, Tae Moon Jeong, S.V. Bulanov

    Fundamental Plasma Physics　Vol. 11　p. 100057-100057　2024/05　Research paper (scientific journal)

    Publisher: Elsevier BV

  5. Isofield plasma expansion in kJ petawatt laser-driven ion acceleration with a tailored fast electron temperature

    N. Iwata, K. Mima, Y. Sentoku

    High Energy Density Physics　Vol. 51　2024/05　Research paper (scientific journal)

    Publisher: Elsevier BV

  6. Self-organization of a photon collider and positron beam generation in relativistic laser plasma interaction

    K. Sugimoto, N. Iwata, Y. Sentoku

    Positron Sciences　No. 22　p. 17-25　2024/03　Research paper (scientific journal)

    Publisher: Japanese Positron Science Society

  7. Ultrahigh-energy density state in nanowire arrays irradiated with picosecond kilojoule-class ultra-intense laser

    D. Tanaka, Y. Maeda, Y. Hironaka, K. Kawasaki, N. Higashi, N. Iwata, Y. Sentoku, R. Kodama, N. Ozaki, T. Somekawa, S. Shinguubara, T. Shimizu, H. Sawada, K. Shigemori

    AIP Advances　Vol. 13　No. 12　2023/12/01　Research paper (scientific journal)

    Publisher: AIP Publishing

  8. Positron Generation and Acceleration in a Self-Organized Photon Collider Enabled by an Ultraintense Laser Pulse

    K. Sugimoto, Y. He, N. Iwata, I-L. Yeh, K. Tangtartharakul, A. Arefiev, Y. Sentoku

    Physical Review Letters　Vol. 131　No. 6　p. 065102-1-065102-6　2023/08/09　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  9. Study of Nonequilibrium Plasma Dynamics using High Power Lasers

    Vol. 99　No. 5　p. 177-180　2023/05/26　Research paper (scientific journal)

    Publisher:

  10. Enhancement of K-shell spectroscopy for temperature measuring of isochorically heated matter in the sub-keV range

    A S Martynenko, T A Pikuz, I Yu Skobelev, S A Pikuz, N Iwata, T Johzaki, J Kawanaka, K F F Law, S Fujioka, R Kodama, A Morace

    Plasma Physics and Controlled Fusion　Vol. 65　No. 5　p. 055016-055016　2023/04/04　Research paper (scientific journal)

    Publisher: IOP Publishing

  11. Ultrafast time-resolved 2D imaging of laser-driven fast electron transport in solid density matter using an x-ray free electron laser

    H. Sawada, T. Yabuuchi, N. Higashi, T. Iwasaki, K. Kawasaki, Y. Maeda, T. Izumi, Y. Nakagawa, K. Shigemori, Y. Sakawa, C. B. Curry, M. Frost, N. Iwata, T. Ogitsu, K. Sueda, T. Togashi, S. H. Glenzer, A. J. Kemp, Y. Ping, Y. Sentoku

    Review of Scientific Instruments　Vol. 94　No. 3　2023/03/01　Research paper (scientific journal)

    Publisher: AIP Publishing

  12. Laser-Driven Neutron Generation Realizing Single-Shot Resonance Spectroscopy

    A. Yogo, Z. Lan, Y. Arikawa, Y. Abe, S. R. Mirfayzi, T. Wei, T. Mori, D. Golovin, T. Hayakawa, N. Iwata, S. Fujioka, M. Nakai, Y. Sentoku, K. Mima, M. Murakami, M. Koizumi, F. Ito, J. Lee, T. Takahashi, K. Hironaka, S. Kar, H. Nishimura, R. Kodama

    Physical Review X　Vol. 13　No. 1　2023/01/31　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  13. Demonstration of efficient relativistic electron acceleration by surface plasmonics with sequential target processing using high repetition lasers

    Yasunobu Arikawa, Alessio Morace, Yuki Abe, Natsumi Iwata, Yasuhiko Sentoku, Akifumi Yogo, Kazuki Matsuo, Mitsuo Nakai, Hideo Nagatomo, Kunioki Mima, Hiroaki Nishimura, Shinsuke Fujioka, Ryosuke Kodama, Shunsuke Inoue, Masaki Hashida, Shuji Sakabe, Diego De Luis, Giancarlo Gatti, Marine Huault, José Antonio Pérez-Hernández, Luis Roso, Luca Volpe

    Physical Review Research　Vol. 5　No. 1　p. 013062-1-013062-10　2023/01/31　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  14. Demonstration of a spherical plasma mirror for the counter-propagating kilojoule-class petawatt LFEX laser system

    Sadaoki Kojima, Yuki Abe, Eisuke Miura, Tetsuo Ozaki, Kohei Yamanoi, Tomokazu Ikeda, Yubo Wang, Jinyuan Dun, Shuwang Guo, Tamaki Maekawa, Ryunosuke Takizawa, Hiroki Morita, Shoui Asano, Yasunobu Arikawa, Hiroshi Sawada, Katsuhiro Ishii, Ryohei Hanayama, Shinichiro Okihara, Yoneyoshi Kitagawa, Yasuhiro Kajimura, Alessio Morace, Hiroyuki Shiraga, Keisuke Shigemori, Atsushi Sunahara, Natsumi Iwata, Takayoshi Sano, Yasuhiko Sentoku, Tomoyuki Johzaki, Masaharu Nishikino, Akifumi Iwamoto, Kenichi Nagaoka, Hitoshi Sakagami, Shinsuke Fujioka, Yoshitaka Mori

    Optics Express　Vol. 30　No. 24　p. 43491-43491　2022/11/21　Research paper (scientific journal)

    Publisher: Optica Publishing Group

  15. Isochoric heating of solid-density plasmas beyond keV temperature by fast thermal diffusion with relativistic picosecond laser light

    N. Higashi, N. Iwata, T. Sano, K. Mima, Y. Sentoku

    Physical Review E　Vol. 105　No. 5　p. 055202-1-055202-7　2022/05/09　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  16. Super-strong magnetic field-dominated ion beam dynamics in focusing plasma devices

    A. Morace, Y. Abe, J. J. Honrubia, N. Iwata, Y. Arikawa, Y. Nakata, T. Johzaki, A. Yogo, Y. Sentoku, K. Mima, T. Ma, D. Mariscal, H. Sakagami, T. Norimatsu, K. Tsubakimoto, J. Kawanaka, S. Tokita, N. Miyanaga, H. Shiraga, Y. Sakawa, M. Nakai, H. Azechi, S. Fujioka, R. Kodama

    Scientific Reports　Vol. 12　p. 6876-1-6876-12　2022/04/27　Research paper (scientific journal)

  17. Dynamics of ultrafast heated radiative plasmas driven by petawatt laser light

    K Sugimoto, N Iwata, A Sunahara, T Sano, Y Sentoku

    Plasma Physics and Controlled Fusion　Vol. 64　No. 3　p. 035004-035004　2022/01/21　Research paper (scientific journal)

    Publisher: IOP Publishing

  18. Demonstration of TNSA proton radiography on the National Ignition Facility Advanced Radiographic Capability (NIF-ARC) laser

    R A Simpson, D A Mariscal, J Kim, G G Scott, G J Williams, E Grace, C McGuffey, S Wilks, A Kemp, N Lemos, B Z Djordjevic, E Folsom, D Kalantar, R Zacharias, B Pollock, J Moody, F Beg, A Morace, N Iwata, Y Sentoku, M J-E Manuel, M Mauldin, M Quinn, K Youngblood, M Gatu-Johnson, B Lahmann, C Haefner, D Neely, T Ma

    Plasma Physics and Controlled Fusion　Vol. 63　No. 12　p. 124006-124006　2021/12/01　Research paper (scientific journal)

    Publisher: IOP Publishing

  19. Multivariate scaling of maximum proton energy in intense laser driven ion acceleration

    Y. Takagi, N. Iwata, E. d'Humieres, Y. Sentoku

    Physical Review Research　Vol. 3　No. 4　2021/11/29　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  20. Lateral confinement of fast electrons and its impact on laser ion acceleration

    N. Iwata, A. J. Kemp, S. C. Wilks, K. Mima, D. Mariscal, T. Ma, Y. Sentoku

    Physical Review Research　Vol. 3　No. 2　2021/06/09　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  21. Pre-Plasma Formation and its Effects on Intense Laser-Plasma Interaction

    N. Iwata, Y. Sentoku

    Journal of Plasma and Fusion Research　Vol. 96　No. 12　p. 703-705　2020/12　Research paper (scientific journal)

    Publisher:

  22. ピコ秒超高強度レーザーにより見えてきた高エネルギー密度プラズマの多階層的特性

    岩田夏弥

    日本物理学会誌　Vol. 75　No. 12　p. 746-750　2020/12　Research paper (scientific journal)

    Publisher: 日本物理学会

  23. 短パルス高強度レーザーによる等積加熱が拓く高エネルギー密度科学（第6章 おわりに）

    岩田夏弥

    プラズマ核融合学会誌　Vol. 96　p. 473-473　2020/09　Research paper (scientific journal)

  24. 短パルス高強度レーザーによる等積加熱が拓く高エネルギー密度科学（第1章 はじめに）

    岩田夏弥

    プラズマ核融合学会誌　Vol. 96　p. 449-450　2020/09　Research paper (scientific journal)

  25. Two-color laser-plasma interactions for efficient production of non-thermal hot electrons

    S. Lee, D. Kawahito, N. Iwata, Y. Sentoku, K.F.F. Law, S. Sakata, H. Morita, K. Matsuo, Y. Arikawa, K. Shigemori, T. Sano, H. Nagatomo, K. Mima, H. Azechi, R. Kodama, S. Fujioka

    High Energy Density Physics　Vol. 36　p. 100843-100843　2020/08　Research paper (scientific journal)

    Publisher: Elsevier BV

  26. PIC simulation for dense high Z plasma formation with ultrashort petawatt laser including radiation processes

    K. Sugimoto, N. Higashi, N. Iwata, A. Sunahara, T. Sano, Y. Sentoku

    High Energy Density Physics　Vol. 36　p. 100816-100816　2020/08　Research paper (scientific journal)

    Publisher: Elsevier BV

  27. Dynamics of laser-driven heavy-ion acceleration clarified by ion charge states

    M. Nishiuchi, N. P. Dover, M. Hata, H. Sakaki, Ko. Kondo, H. F. Lowe, T. Miyahara, H. Kiriyama, J. K. Koga, N. Iwata, M. A. Alkhimova, A. S. Pirozhkov, A. Ya. Faenov, T. A. Pikuz, A. Sagisaka, Y. Watanabe, M. Kando, K. Kondo, E. J. Ditter, O. C. Ettlinger, G. S. Hicks, Z. Najmudin, T. Ziegler, K. Zeil, U. Schramm, Y. Sentoku

    Physical Review Research　Vol. 2　No. 3　2020/07/15　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  28. Demonstration of repetitive energetic proton generation by ultra-intense laser interaction with a tape target

    N.P. Dover, M. Nishiuchi, H. Sakaki, Ko. Kondo, H.F. Lowe, M.A. Alkhimova, E.J. Ditter, O.C. Ettlinger, A.Ya. Faenov, M. Hata, G.S. Hicks, N. Iwata, H. Kiriyama, J.K. Koga, T. Miyahara, Z. Najmudin, T.A. Pikuz, A.S. Pirozhkov, A. Sagisaka, U. Schramm, Y. Sentoku, Y. Watanabe, T. Ziegler, K. Zeil, M. Kando, K. Kondo

    High Energy Density Physics　Vol. 36　p. 100847-100847　2020/06　Research paper (scientific journal)

    Publisher: Elsevier BV

  29. Transition of dominant heating process from relativistic electron beam heating to thermal diffusion in an over picoseconds relativistic laser-solid interaction

    Naoki Higashi, Natsumi Iwata, Takayoshi Sano, Kunioki Mima, Yasuhiko Sentoku

    High Energy Density Physics　Vol. 36　p. 100829-100829　2020/06　Research paper (scientific journal)

    Publisher: Elsevier BV

  30. Effect of Small Focus on Electron Heating and Proton Acceleration in Ultrarelativistic Laser-Solid Interactions

    N. P. Dover, M. Nishiuchi, H. Sakaki, Ko. Kondo, M. A. Alkhimova, A. Ya. Faenov, M. Hata, N. Iwata, H. Kiriyama, J. K. Koga, T. Miyahara, T. A. Pikuz, A. S. Pirozhkov, A. Sagisaka, Y. Sentoku, Y. Watanabe, M. Kando, K. Kondo

    Physical Review Letters　Vol. 124　No. 8　p. 084802-1-084802-7　2020/02/26　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  31. Petapascal Pressure Driven by Fast Isochoric Heating with a Multipicosecond Intense Laser Pulse

    Kazuki Matsuo, Naoki Higashi, Natsumi Iwata, Shohei Sakata, Seungho Lee, Tomoyuki Johzaki, Hiroshi Sawada, Yuki Iwasa, King Fai Farley Law, Hiroki Morita, Yugo Ochiai, Sadaoki Kojima, Yuki Abe, Masayasu Hata, Takayoshi Sano, Hideo Nagatomo, Atsushi Sunahara, Alessio Morace, Akifumi Yogo, Mitsuo Nakai, Hitoshi Sakagami, Tetsuo Ozaki, Kohei Yamanoi, Takayoshi Norimatsu, Yoshiki Nakata, Shigeki Tokita, Junji Kawanaka, Hiroyuki Shiraga, Kunioki Mima, Hiroshi Azechi, Ryosuke Kodama, Yasunobu Arikawa, Yasuhiko Sentoku, Shinsuke Fujioka

    Physical Review Letters　Vol. 124　No. 3　p. 035001-1-035001-5　2020/01/24　Research paper (scientific journal)

    Publisher: American Physical Society (APS)

  32. Plasma expansion accompanying superthermal electrons in over-picosecond relativistic laser-foil interaction

    N. Iwata, Y. Sentoku, T. Sano, K. Mima

    Plasma Physics and Controlled Fusion　Vol. 62　No. 014011　p. 1-6　2019/10　Research paper (scientific journal)

  33. ピコ秒パルス相対論的レーザーと薄膜との相互作用における統計的電子加速

    岩田夏弥

    プラズマ・核融合学会誌　Vol. 95　p. 379-384　2019/08　Research paper (scientific journal)

  34. Electromagnetic field growth triggering super-ponderomotive electron acceleration during multi-picosecond laser-plasma interaction

    S. Kojima, M. Hata, N. Iwata, Y. Arikawa, A. Morace, S. Sakata, S. Lee, K. Matsuo, K. F, F. Law, H. Morita, Y. Ochiai, A. Yogo, H. Nagatomo, T. Ozaki, T. Johzaki, A. Sunahara, H. Sakagami, Z. Zhang, S. Tosaki, Y. Abe, J. Kawanaka, S. Tokita, M. Nakai, H. Nishimura, H. Shiraga, H. Azechi, Y. Sentoku, S. Fujioka

    Communications Physics　Vol. 2　No. 99　p. 1-12　2019/08　Research paper (scientific journal)

  35. Enhancing laser beam performance by interfering intense laser beamlets

    A. Morace, N. Iwata, Y. Sentoku, K. Mima, Y. Arikawa, A. Yogo, A. Andreev, S. Tosaki, X. Vaisseau, Y. Abe, S. Kojima, S. Sakata, M. Hata, S. Lee, K. Matsuo, N. Kamitsukasa, T. Norimatsu, J. Kawanaka, S. Tokita, N. Miyanaga, H. Shiraga, Y. Sakawa, M. Nakai, H. Nishimura, H. Azechi, S. Fujioka, R. Kodama

    Nature Communications　Vol. 10　No. 2995　p. 1-9　2019/07　Research paper (scientific journal)

  36. Electron acceleration in dense plasmas heated by a picosecond relativistic laser

    N. Iwata, Y. Sentoku, T. Sano, K. Mima

    Nuclear Fusion　Vol. 59　No. 086035　p. 1-7　2019/07　Research paper (scientific journal)

  37. ピコ秒レーザーによるkeV固体密度プラズマの形成

    東直樹, 岩田夏弥, 千徳靖彦

    プラズマ・核融合学会誌　Vol. 95　p. 322-326　2019/07　Research paper (scientific journal)

  38. Theory of the hole boring by light pressure in the picosecond relativistic regime

    IWATA NATSUMI

    Journal of Plasma Fusion Research　Vol. 95　No. 6　p. 286-291　2019/06　Research paper (scientific journal)

  39. First demonstration of ARC-accelerated proton beams at the National Ignition Facility

    D. Mariscal, T. Ma, S. C. Wilks, A. J. Kemp, G. J. Williams, P. Michel, H. Chen, P. K. Patel, B. A. Remington, M. Bowers, L. Pelz, M. R. Hermann, W. Hsing, D. Martinez, R. Sigurdsson, M. Prantil, A. Conder, J. Lawson, M. Hamamoto, P. Di Nicola, C. Widmayer, D. Homoelle, R. Lowe-Webb, S. Herriot, W. Williams, D. Alessi, D. Kalantar, R. Zacharias, C. Haefner, N. Thompson, T. Zobrist, D. Lord, N. Hash, A. Pak, N. Lemos, M. Tabak, C. McGuffey, J. Kim, F. N. Beg, M. S. Wei, P. Norreys, A. Morace, N. Iwata, Y. Sentoku, D. Neely, G. G. Scott, K. Flippo

    Physics of Plasmas　Vol. 26　2019/04　Research paper (scientific journal)

  40. Research trends of electron-positron plasma creation using ultra-intense laser light

    N. Iwata, Y. Sentoku

    Positron Sciences　Vol. 12　p. 31-37　2019/03　Research paper (scientific journal)

  41. Plasma density limits for hole boring by intense laser pulses

    Natsumi Iwata, Sadaoki Kojima, Yasuhiko Sentoku, Masayasu Hata, Kunioki Mima

    Nature Communications　Vol. 9　No. 1　p. 623-1-623-7　2018/12　Research paper (scientific journal)

  42. Magnetized fast isochoric laser heating for efficient creation of ultra-high-energy-density states

    Shohei Sakata, Seungho Lee, Hiroki Morita, Tomoyuki Johzaki, Hiroshi Sawada, Yuki Iwasa, Kazuki Matsuo, King Fai Farley Law, Akira Yao, Masayasu Hata, Atsushi Sunahara, Sadaoki Kojima, Yuki Abe, Hidetaka Kishimoto, Aneez Syuhada, Takashi Shiroto, Alessio Morace, Akifumi Yogo, Natsumi Iwata, Mitsuo Nakai, Hitoshi Sakagami, Tetsuo Ozaki, Kohei Yamanoi, Takayoshi Norimatsu, Yoshiki Nakata, Shigeki Tokita, Noriaki Miyanaga, Junji Kawanaka, Hiroyuki Shiraga, Kunioki Mima, Hiroaki Nishimura, Mathieu Bailly-Grandvaux, Joao Jorge Santos, Hideo Nagatomo, Hiroshi Azechi, Ryosuke Kodama, Yasunobu Arikawa, Yasuhiko Sentoku, Shinsuke Fujioka

    NATURE COMMUNICATIONS　Vol. 9　2018/09　Research paper (scientific journal)

  43. マルチピコ秒相対論的レーザーによるイオン加速の増力

    余語覚文, 岩田夏弥

    プラズマ核融合学会誌　Vol. 94　No. 1　p. 12-17　2018/01　Research paper (scientific journal)

    Publisher: プラズマ核融合学会

  44. Broadening of cyclotron resonance conditions in the relativistic interaction of an intense laser with overdense plasmas

    Takayoshi Sano, Yuki Tanaka, Natsumi Iwata, Masayasu Hata, Kunioki Mima, Masakatsu Murakami, Yasuhiko Sentoku

    Physical Review E　Vol. 96　No. 4　p. 043209-1-043209-8　2017/10/16　Research paper (scientific journal)

  45. Fast ion acceleration in a foil plasma heated by a multi-picosecond high intensity laser

    Natsumi Iwata, Kunioki Mima, Yasuhiko Sentoku, Akifumi Yogo, Hideo Nagatomo, Hiroaki Nishimura, Hiroshi Azechi

    PHYSICS OF PLASMAS　Vol. 24　No. 7　2017/07　Research paper (scientific journal)

  46. Boosting laser-ion acceleration with multi-picosecond pulses

    A. Yogo, K. Mima, N. Iwata, S. Tosaki, A. Morace, Y. Arikawa, S. Fujioka, T. Johzaki, Y. Sentoku, H. Nishimura, A. Sagisaka, K. Matsuo, N. Kamitsukasa, S. Kojima, H. Nagatomo, M. Nakai, H. Shiraga, M. Murakami, S. Tokita, J. Kawanaka, N. Miyanaga, K. Yamanoi, T. Norimatsu, H. Sakagami, S. V. Bulanov, K. Kondo, H. Azechi

    SCIENTIFIC REPORTS　Vol. 7　2017/02　Research paper (scientific journal)

  47. Effects of radiation reaction in the interaction between cluster media and high intensity lasers in the radiation dominant regime

    Natsumi Iwata, Hideo Nagatomo, Yuji Fukuda, Ryutaro Matsui, Yasuaki Kishimoto

    Physics of Plasmas　Vol. 23　No. 6　p. 063115-063115　2016/06　Research paper (scientific journal)

  48. Laser-matter interaction in cluster medium in the radiation dominated regime

    N. Iwata, Y. Kishimoto, F. Wu, Y. Fukuda

    8TH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS (IFSA 2013)　Vol. 688　2016　Research paper (international conference proceedings)

  49. On the nonlocal properties of relativistic ponderomotive force

    Natsumi Iwata, Yasuaki Kishimoto

    Physics of Plasmas　Vol. 20　p. 083107-1-083107-12　2013/12　Research paper (scientific journal)

    Publisher: AIP Publishing

  50. Nonlocal properties of ponderomotive force in strongly nonuniform high intensity laser fields

    N. Iwata, Y. Kishimoto, K. Imadera

    IFSA 2011 - SEVENTH INTERNATIONAL CONFERENCE ON INERTIAL FUSION SCIENCES AND APPLICATIONS　Vol. 59　2013　Research paper (international conference proceedings)

  51. Nonlocal Ponderomotive Force in a Super Gaussian Laser Beam and the Conditions for Long Time Scale Interaction

    Natsumi Iwata, Yasuaki Kishimoto

    Plasma and Fusion Research　Vol. 8　2013

  52. Relativistic Ponderomotive Force Including Higher Order Nonlocal Effects in High Intensity Laser Fields

    Natsumi Iwata, Yasuaki Kishimoto

    Plasma and Fusion Research　Vol. 8　2013

  53. Nonlocal Properties of the Ponderomotive Force in High Intensity Laser Fields-An Approach Based on the Noncanonical Lie Perturbation Theory-

    Natsumi Iwata, Yasuaki Kishimoto, Kenji Imadera

    LASER-DRIVEN RELATIVISTIC PLASMAS APPLIED TO SCIENCE, ENERGY, INDUSTRY, AND MEDICINE　Vol. 1465　p. 113-117　2012　Research paper (international conference proceedings)

  54. Analysis of the relativistic ponderomotive force and higher-order particle motion in a non-uniform laser field using the noncanonical lie perturbation method

    Natsumi Iwata, Yasuaki Kishimoto, Kenji Imadera

    Plasma and Fusion Research　Vol. 6　No. 1 SPECIAL ISSUE　p. 2404105-1-2404105-5　2011　Research paper (scientific journal)

  55. Relativistic particle orbit analysis in a transversely focused high power laser field using non-canonical Lie perturbation method

    Natsumi Iwata, Kenji Imadera, Yasuaki Kishimoto

    Plasma and Fusion Research: Rapid Communications　Vol. 5　2010

Presentations 54

  1. Realizing Nuclear Fusion Energy with High Energy Density Science

    Natsumi Iwata

    11th Annual Meeting of Innovation for Cool Earth Forum (ICEF 2024)　2024/10/10

  2. Modeling of kJ laser driven ion acceleration and fusion plasma evolution

    N. Iwata

    International Conference on High Energy Density Sciences 2024 (HEDS2024)　2024/04/25

  3. Theoretical modeling of picoseconds petawatt laser-plasma interactions

    N. Iwata, N. Higashi, K. Sugimoto, T. Sano, K. Mima, Y. Sentoku

    The 46th European Physical Society Conference on Plasma Physics (EPS2019)　2019/07/11

  4. ピコ秒相対論的レーザーによる非平衡プラズマの理論研究

    岩田 夏弥

    日本物理学会第74回年次大会　2019/03/14

  5. ピコ秒相対論領域におけるレーザープラズマ相互作用物理の新展開

    岩田夏弥

    レーザー学会学術講演会第39回年次大会　2019/01

  6. Physics of relativistic picosecond laser interaction with dense plasma

    Natsumi Iwata

    2nd Asia-Pacific Conference on Plasma Physics (AAPPS-DPP2018)　2018/11

  7. ピコ秒相対論的レーザーと高密度プラズマの相互作用の物理

    岩田夏弥

    日本物理学会2018年秋季大会　2018/09/10

  8. Theoretical limit of hole boring and transition to plasma blowout in multi-picosecond laser-plasma interactions

    N. Iwata, S. Kojima, M. Hata, Y. Sentoku

    The 10th International Conference on Inertial Fusion Sciences and Applications (IFSA 2017)　2017/09

  9. Laser-matter interaction in cluster medium in the radiation dominated regime: Particle acceleration and radiation

    N. Iwata, F. Wu, Y. Kishimoto, Y. Fukuda

    The 8th International Conference on Inertial Fusion Sciences and Applications (IFSA 2013)　2013/09

  10. Collective and statistical plasma dynamics driven by kJ-class petawatt laser light

    N. Iwata

    International Conference on High Energy Density Sciences 2023 (HEDS2023)　2023/04/20

  11. Kinetic effects on alpha particle energy transfer in dense core plasma

    N. Iwata, D. P. Higginson, Y. Sentoku

    66th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2024)　2024/10/07

  12. 非平衡高エネルギー密度プラズマにおける流動・輸送現象の解明

    岩田夏弥

    日本流体力学会年会2024　2024/09/26

  13. 高エネルギー密度核融合燃焼プラズマにおける運動論的エネルギー輸送

    岩田夏弥, 奥田直樹, 千徳靖彦

    日本物理学会第79回年次大会　2024/09/17

  14. Dynamics of high energy density plasma formation

    岩田夏弥

    2024/03/19

  15. Study on the physics of high energy density electromagnetic fields and plasmas using high power lasers

    2023/11/27

  16. High efficiency ion acceleration in foil plasma expansion driven by kJ petawatt lasers

    N. Iwata, A. J. Kemp, S. C. Wilks, K. Mima, Y. Sentoku

    65th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2023)　2023/11/03

  17. Theoretical model of isofield plasma expansion and ion acceleration in multi-picosecond petawatt laser-foil interactions

    N. Iwata, K. Mima, Y. Sentoku

    The 12th International Conference on Inertial Fusion Sciences and Applications (IFSA 2023)　2023/09/26

  18. Temporal evolution of electron energy and sheath electric field in a high-flux ion acceleration under high intensity laser irradiation

    2023/09/18

  19. Plasma expansion structure and ion acceleration under kJ petawatt laser light irradiation

    2023/03/25

  20. Theoretical modeling of statistical electron dynamics in relativistic laser-produced plasmas

    2022/11/24

  21. Lateral confinement of fast electrons and its impact on laser ion acceleration

    N. Iwata, A. J. Kemp, S. C. Wilks, D. A. Mariscal, T. Ma, K. Mima, Y. Sentoku

    64th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2022)　2022/10/18

  22. Structure formation in high energy density plasmas with high flux energy input by ultraintense laser light

    2022/09/10

  23. Large-scale nonequilibrium plasma expansion and ion acceleration under kJ petawatt laser irradiation

    2022/09/13

  24. Stochastic electron acceleration in an intense laser-irradiated thin-foil plasma

    2022/03/15

  25. Electron distribution evolution in phase space triggered by plasma expansion under relativistic laser light

    2021/09/21

  26. Fast electron confinement and efficient ion acceleration in large spot intense laser-foil interactions

    2020/12/03

  27. Theoretical modeling of fast electron confinement in large spot relativistic laser-foil interactions

    2020/09/10

  28. Efficient plasma heating by kilojoule petawatt lasers with a lateral confinement of fast electrons

    N. Iwata, A. J. Kemp, S. C. Wilks, K. Mima, Y. Sentoku

    28th IAEA Fusion Energy Conference (IAEA-FEC2020)　2020/05/12

  29. Isofield plasma expansion and boosted ion acceleration in relativistic laser-foil interaction

    2020/03/16

  30. ピコ秒相対論的レーザー照射下での薄膜プラズマの等電場膨張

    岩田夏弥, 千徳靖彦, 佐野孝好, 三間圀興

    プラズマ・核融合学会第36回年会　2019/11/30

  31. Expansion dynamics of foil plasma irradiated by picosecond relativistic laser

    N. Iwata, T. Sano, K. Mima, Y. Sentoku

    61th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2019)　2019/10/24

  32. Structure of plasma expansion in picosecond relativistic laser-foil interactions

    N. Iwata, T. Sano, K. Mima, Y. Sentoku

    The 11th International Conference on Inertial Fusion Sciences and Applications (IFSA 2019)　2019/09/23

  33. マルチピコ秒ペタワットレーザーによる統計的電子加速の理論研究

    岩田夏弥, 千徳靖彦, 佐野孝好, 三間國興

    プラズマ・核融合学会第35回年会　2018/12/03

  34. Formation of power law energy distribution via stochastic process in a relativistic laser-driven bouncer

    Natsumi Iwata, Yasuhiko Sentoku, Takayoshi Sano, Kunioki Mima

    60th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2018)　2018/11/08

  35. Electron acceleration in dense plasmas heated by picosecond relativistic laser

    Natsumi Iwata, Yasuhiko Sentoku, Takayoshi Sano, Kunioki Mima

    27th IAEA Fusion Energy Conference (IAEA-FEC2018)　2018/10/24

  36. Plasma density limits of laser hole boring and superthermal electron generation by relativistic picosecond lasers

    Natsumi Iwata, Yasuhiko Sentoku, Sadaoki Kojima, Masayasu Hata, Kunioki Mima

    The 45th European Physical Society Conference on Plasma Physics (EPS2018)　2018/07/05

  37. Formation of power law electron energy distribution by relativistic picosecond laser irradiation

    Natsumi Iwata, Yasuhiko Sentoku, Takayoshi Sano, Kunioki Mima

    12th International Conference on High Energy Density Laboratory Astrophysics (HEDLA2018)　2018/05/28

  38. ピコ秒超高強度レーザーによる電子の統計加速とべき乗エネルギー分布形成

    岩田夏弥, 千徳靖彦, 佐野孝好, 三間圀興

    日本物理学会第73回年次大会　2018/03/23

  39. Generation mechanism of power law energy distribution in an expanding thin-foil plasma irradiated by intense lasers

    Natsumi Iwata, Yasuhiko Sentoku, Takayoshi Sano, Kunioki Mima

    59th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2017)　2017/10/25

  40. Transition from hole boring to plasma blowout in multi-picosecond laser-plasma interactions

    Natsumi Iwata, Sadaoki Kojima, Masayasu Hata, Yasuhiko Sentoku

    The 6th International Conference on High Energy Density Physics (ICHED2017)　2017/06/06

  41. Analysis of efficient ion acceleration with multi-picosecond LFEX laser

    Natsumi Iwata, Akifumi Yogo, Kunioki Mima, Shota Tosaki, Keisuke Koga, Hideo Nagatomo, Yasuaki Kishimoto, Hiroaki Nishimura, Hiroshi Azechi

    58th Annual Meeting of the APS Division of Plasma Physics (APS-DPP2016)　2016/11/03

  42. 高強度ピコ秒レーザーと固体薄膜との相互作用における電子温度時間発展を取り入れたプラズマ膨張理論とイオン加速モデル

    岩田夏弥, 余語覚文, 戸崎翔太, 古賀啓資, 長友英夫, 岸本泰明, 西村博明, 三間圀興, 疇地宏

    日本物理学会2016年秋季大会　2016/09

  43. Electron heating and ion acceleration mechanisms in pico-second scale interactions between solid foil and high intensity lasers

    Natsumi Iwata, Akifumi Yogo, Shota Tosaki, Keisuke Koga, Hideo Nagatomo, Yasuaki Kishimoto, Hiroaki Nishimura, Kunioki Mima, Hiroshi Azechi

    The 14th International workshop on fast ignition and high field physics with high power lasers (FIWS2016)　2016/05/17

  44. 高強度レーザー照射薄膜におけるピコ秒スケールでの電子温度上昇とイオン加速機構

    岩田夏弥, 余語覚文, 戸崎翔太, 古賀啓資, 長友英夫, 岸本泰明, 西村博明, 三間圀興, 疇地宏

    日本物理学会第71回年次大会　2016/03/21

  45. Effect of radiation reaction in ultrahigh-intensity laser interaction with cluster mediums

    Natsumi Iwata, Daiki Kawahito, Hideo Nagatomo, Yuji Fukuda, Ryutaro Matsui, Yasuaki Kishimoto, Hiroshi Azechi

    The Ninth International Conference on Inertial Fusion Sciences and Applications (IFSA 2015)　2015/09/22

  46. 超高強度レーザーとクラスター媒質との相互作用における輻射発生と輻射反作用の効果

    岩田夏弥, 長友英夫, 岸本泰明, 福田祐仁, 疇地宏

    日本物理学会第70回年次大会　2015/03/22

  47. Interaction property between high power laser and cluster medium in the radiation dominant regime

    Plasma Conference 2014 (PLASMA2014)　2014/11/18

  48. 高強度レーザービーム中での粒子ダイナミクスにおける相対論的動重力の高次非局所効果

    岩田夏弥, 岸本泰明

    日本物理学会第68回年次大会　2013/03/26

  49. Higher order nonlocal effects of relativistic ponderomotive force in high power lasers

    Natsumi Iwata, Yasuaki Kishimoto, Kenji Imadera

    54th Annual Meeting of the APS Division of Plasma Physics (APS-DPP 2012)　2012/10/31

  50. 非正準Lie摂動論で導いた高次非局所効果を含む相対論的動重力の表式の特性と平均化法との相異

    岩田夏弥, 岸本泰明, 今寺賢志

    日本物理学会2012年秋季大会　2012/09/19

  51. 強集束高強度レーザー場中での相対論的粒子運動と非局所動重力

    岩田夏弥, 岸本泰明, 今寺賢志

    日本物理学会第67回年次大会　2012/03/27

  52. Nonlocal properties of the ponderomotive force in tightly focused high intensity laser fields

    Natsumi Iwata, Yasuaki Kishimoto, Kenji Imadera

    The Seventh International Conference on Inertial Fusion Sciences and Applications (IFSA 2011)　2011/09/12

  53. 非正準Lie摂動論による非一様レーザー場中での相対論的粒子運動の解析

    岩田夏弥, 岸本泰明, 今寺賢志

    日本物理学会第66回年次大会　2011/03/28

  54. Noncanonical Lie perturbation analysis for the relativistic ponderomotive force

    Natsumi Iwata, Yasuaki Kishimoto, Kenji Imadera

    International Conference on Physics in Intense Fields (PIF2010)　2010/11/25

Institutional Repository 1

Content Published in the University of Osaka Institutional Repository (OUKA)

  1. Demonstration of a spherical plasma mirror for the counter-propagating kilojoule-class petawatt LFEX laser system

    Kojima Sadaoki, Abe Yuki, Miura Eisuke, Ozaki Tetsuo, Yamanoi Kohei, Ikeda Tomokazu, Wang Yubo, Dun Jinyuan, Guo Shuwang, Maekawa Tamaki, Takizawa Ryunosuke, Morita Hiroki, Asano Shoui, Arikawa Yasunobu, Sawada Hiroshi, Ishii Katsuhiro, Hanayama Ryohei, Okihara Shinichiro, Kitagawa Yoneyoshi, Kajimura Yasuhiro, Morace Alessio, Shiraga Hiroyuki, Shigemori Keisuke, Sunahara Atsushi, Iwata Natsumi, Sano Takayoshi, Sentoku Yasuhiko, Johzaki Tomoyuki, Nishikino Masaharu, Iwamoto Akifumi, Nagaoka Kenichi, Sakagami Hitoshi, Fujioka Shinsuke, Mori Yoshitaka

    Optics Express　Vol. 30　No. 24　p. 43491-43502　2022/11/21