Toshiki Tajima

Toshiki Tajima (Japanese: 田島俊樹, Hepburn: Tajima Toshiki, born January 18, 1948)[1] is a Japanese theoretical plasma physicist known for pioneering the laser wakefield acceleration technique with John M. Dawson in 1979.[2] The technique is used to accelerate particles in a plasma was experimentally realized in 1994,[3] for which Tajima received several awards such as the Nishina Memorial Prize (2006), the Enrico Fermi Prize (2015), the Robert R. Wilson Prize (2019), the Hannes Alfvén Prize (2019) and the Charles Hard Townes Award (2020).

Toshiki Tajima
Born (1948-01-18) January 18, 1948
Aichi, Japan
NationalityJapanese
EducationUniversity of Tokyo (B.S., M.S.)
University of California, Irvine (Ph.D.)
Known forPioneering laser wakefield acceleration
Awards
Scientific career
FieldsPlasma physics
Institutions
Thesis (1975)

Tajima is currently a professor of the University of California, Irvine,[4] and is the Chief Science Officer of TAE Technologies.[5] His works involve plasma physics,[6] laser physics,[7][8] nuclear fusion, plasma astrophysics,[9][10] accelerator physics[11][12] and medical applications of physics.

Early life and career

Tajima was born in the Aichi prefecture of Japan in 1948.[1] He graduated from the University of Tokyo with a bachelor's degree in 1971 and a master's degree in 1973. He then received his doctorate from the University of California, Irvine in 1975, and became a post-doctoral student at the University of California, Los Angeles. In 1980, he became a professor at the University of Texas at Austin, which he remained until 2001.

From 1998 to 2001, Tajima was Special Assistant to the Associate Director at the Lawrence Livermore National Laboratory, and from 2000 to 2002 he worked at the SLAC National Accelerator Laboratory. From 2002, he was director of the Kansai Photon Science Institute of the Japan Atomic Energy Agency, and from 2008 to 2011 he was a professor at the Ludwig Maximilians University of Munich. He has also been at the KEK accelerator since 2008. He is currently a Rostoker Chair Professor at the University of California, Irvine.

Tajima was Chairman of the International Committee for Ultrahigh Intensity Lasers (ICUIL) and Deputy Director of the International Center for Zetta-Exawatt Science and Technology (IZEST) at École Polytechnique (with director Gérard Mourou).[13] He was Blaise Pascal Professor and Einstein Professor at the Chinese Academy of Sciences.

Tajima is also the Chief Science Officer of TAE Technologies, a company founded in 1998 that deals with aneutronic fusion power.[5]

Honors and awards

Tajima is a fellow of the Japan Society for the Promotion of Science.

For his work on laser wakefield acceleration, Tajima received the Nishina Memorial Prize in 2006;[14] the Enrico Fermi Prize of the Italian Physical Society in 2015;[15] the Robert R. Wilson Prize of the American Physical Society[16] and the Hannes Alfvén Prize of the European Physical Society in 2019;[17] and the Charles Hard Townes Award from The Optical Society in 2020.[18]

Publications
  • Joshi, C.; Tajima, T.; Dawson, J. M.; Baldis, H. A.; Ebrahim, N. A. (1981). "Forward Raman Instability and Electron Acceleration". Physical Review Letters. 47 (18): 1285–1288. Bibcode:1981PhRvL..47.1285J. doi:10.1103/physrevlett.47.1285. ISSN 0031-9007.
  • Shibata, K.; Tajima, T.; Steinolfson, R. S.; Matsumoto, R. (1989). "Two-dimensional magnetohydrodynamic model of emerging magnetic flux in the solar atmosphere". The Astrophysical Journal. 345: 584. Bibcode:1989ApJ...345..584S. doi:10.1086/167932. ISSN 0004-637X.
  • Matsumoto, R.; Tajima, T. (1995). "Magnetic viscosity by localized shear flow instability in magnetized accretion disks". The Astrophysical Journal. 445: 767. Bibcode:1995ApJ...445..767M. doi:10.1086/175739. ISSN 0004-637X.
  • Esirkepov, T. Zh.; Bulanov, S. V.; Nishihara, K.; Tajima, T.; Pegoraro, F.; Khoroshkov, V. S.; Mima, K.; Daido, H.; Kato, Y.; Kitagawa, Y.; Nagai, K. (2002). "Proposed Double-Layer Target for the Generation of High-Quality Laser-Accelerated Ion Beams". Physical Review Letters. 89 (17): 175003. Bibcode:2002PhRvL..89q5003E. doi:10.1103/physrevlett.89.175003. ISSN 0031-9007. PMID 12398678.
  • Matsukado, K.; Esirkepov, T.; Kinoshita, K.; Daido, H.; Utsumi, T.; Li, Z.; Fukumi, A.; Hayashi, Y.; Orimo, S.; Nishiuchi, M.; Bulanov, S. V. (2003). "Energetic Protons from a Few-Micron Metallic Foil Evaporated by an Intense Laser Pulse". Physical Review Letters. 91 (21): 215001. Bibcode:2003PhRvL..91u5001M. doi:10.1103/physrevlett.91.215001. ISSN 0031-9007. PMID 14683311.
  • Bulanov, Sergei V.; Esirkepov, Timur; Tajima, Toshiki (2004). "Erratum: Light Intensification towards the Schwinger Limit [Phys. Rev. Lett.91, 085001 (2003)]". Physical Review Letters. 92 (15): 159901. Bibcode:2004PhRvL..92o9901B. doi:10.1103/physrevlett.92.159901. ISSN 0031-9007.
  • Esirkepov, T.; Borghesi, M.; Bulanov, S. V.; Mourou, G.; Tajima, T. (2004). "Highly Efficient Relativistic-Ion Generation in the Laser-Piston Regime". Physical Review Letters. 92 (17): 175003. arXiv:physics/0405083. Bibcode:2004PhRvL..92q5003E. doi:10.1103/physrevlett.92.175003. ISSN 0031-9007. PMID 15169160.
  • Mourou, Gerard A.; Tajima, Toshiki; Bulanov, Sergei V. (2006). "Optics in the relativistic regime". Reviews of Modern Physics. 78 (2): 309–371. Bibcode:2006RvMP...78..309M. doi:10.1103/revmodphys.78.309. ISSN 0034-6861.
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gollark: It's really nice when I'm doing stuff to a VPS and updates actually download at usable gigabit speeds.
gollark: But the link itself actually exists and is visible using stat() and such.
gollark: (When read)
gollark: If the target file doesn't exist it might still just go "no such file or directory".

References
  1. "田島俊樹 略歴". www.jaea.go.jp (in Japanese). Retrieved 2020-06-06.
  2. Tajima, T.; Dawson, J. M. (1979). "Laser Electron Accelerator". Physical Review Letters. 43 (4): 267–270. Bibcode:1979PhRvL..43..267T. doi:10.1103/physrevlett.43.267. ISSN 0031-9007.
  3. Nakajima, K; Kawakubo, T; Nakanishi, H; Ogata, A; Kato, Y; Kitagawa, Y; Kodama, R; Mima, K; Shiraga, H; Suzuki, K; Zhang, T (1994). "A proof-of-principle experiment of laser wakefield acceleration". Physica Scripta. T52 (T52): 61–64. Bibcode:1994PhST...52...61N. doi:10.1088/0031-8949/1994/t52/009. ISSN 0031-8949.
  4. "Toshiki Tajima | UCI Physics and Astronomy". www.physics.uci.edu. Retrieved 2020-06-06.
  5. "TAE Technologies | Management Team". tae.com. Retrieved 2020-06-06.
  6. Tajima, Toshiki (2018), Computational Plasma Physics, CRC Press, pp. 268–297, doi:10.1201/9780429501470-10, ISBN 978-0-429-50147-0 Missing or empty |title= (help); |chapter= ignored (help)
  7. Nakajima, K.; Fisher, D.; Kawakubo, T.; Nakanishi, H.; Ogata, A.; Kato, Y.; Kitagawa, Y.; Kodama, R.; Mima, K.; Shiraga, H.; Suzuki, K. (1995). "Observation of Ultrahigh Gradient Electron Acceleration by a Self-Modulated Intense Short Laser Pulse". Physical Review Letters. 74 (22): 4428–4431. Bibcode:1995PhRvL..74.4428N. doi:10.1103/physrevlett.74.4428. ISSN 0031-9007. PMID 10058504.
  8. Chen, Pisin; Tajima, Toshi (1999). "Testing Unruh Radiation with Ultraintense Lasers". Physical Review Letters. 83 (2): 256–259. Bibcode:1999PhRvL..83..256C. doi:10.1103/physrevlett.83.256. ISSN 0031-9007.
  9. Tajima, Toshiki. (1997). Plasma astrophysics. Addison-Wesley. OCLC 988844392.
  10. Tajima, T.; Sakai, J.; Nakajima, H.; Kosugi, T.; Brunel, F.; Kundu, M. R. (1987). "Current loop coalescence model of solar flares". The Astrophysical Journal. 321: 1031. Bibcode:1987ApJ...321.1031T. doi:10.1086/165694. ISSN 0004-637X.
  11. Henig, A.; Steinke, S.; Schnürer, M.; Sokollik, T.; Hörlein, R.; Kiefer, D.; Jung, D.; Schreiber, J.; Hegelich, B. M.; Yan, X. Q.; Meyer-ter-Vehn, J. (2009). "Radiation-Pressure Acceleration of Ion Beams Driven by Circularly Polarized Laser Pulses". Physical Review Letters. 103 (24): 245003. arXiv:0908.4057. Bibcode:2009PhRvL.103x5003H. doi:10.1103/physrevlett.103.245003. ISSN 0031-9007. PMID 20366205.
  12. Mourou, Gerard; Brocklesby, Bill; Tajima, Toshiki; Limpert, Jens (2013). "The future is fibre accelerators". Nature Photonics. 7 (4): 258–261. Bibcode:2013NaPho...7..258M. doi:10.1038/nphoton.2013.75. ISSN 1749-4885.
  13. Tajima, T.; Mourou, G. (2002). "Zettawatt-exawatt lasers and their applications in ultrastrong-field physics". Physical Review Special Topics - Accelerators and Beams. 5 (3): 031301. arXiv:physics/0111091. Bibcode:2002PhRvS...5c1301T. doi:10.1103/physrevstab.5.031301. ISSN 1098-4402.
  14. "Nishina Memorial Prize | Nishina Memorial Foundation" (in Japanese). Retrieved 2020-06-06.
  15. "École Polytechnique - Accueil site de l'Ecole Polytechnique". www.polytechnique.edu. Retrieved 2020-06-06.
  16. "2019 Robert R. Wilson Prize for Achievement in the Physics of Particle Accelerators Recipient". American Physical Society. Retrieved 2020-06-06.
  17. "Award of EPS Alfven Prize 2019 to Victor Malka and Toshiki Tajima - European Physical Society (EPS)". www.eps.org. Retrieved 2020-06-06.
  18. "The Optical Society Names Toshiki Tajima the 2020 Charles Hard Townes Award Winner". The Optical Society. 2020-02-10. Retrieved 2020-06-06.
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