Research Output

Article

1D simulation of sawtooth crash based on transport bifurcation

Kubota, T., Itoh, S. I., Yagi, M. & Fukuyama, A., Dec 1 1997, In : Plasma Physics and Controlled Fusion. 39, 9, p. 1397-1407 11 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

28-GHz ECHCD system with beam focusing launcher on the QUEST spherical tokamak

Idei, H., Onchi, T., Kariya, T., Tsujimura, T. I., Kubo, S., Kobayashi, S., Sakaguchi, M., Imai, T., Hasegawa, M., Nakamura, K., Mishra, K., Fukuyama, M., Yunoki, M., Kojima, S., Watanabe, O., Kuroda, K., Hanada, K., Nagashima, Y., Ejiri, A., Matsumoto, N. & 7 others, Ono, M., Higashijima, A., Nagata, T., Shimabukoro, S., Takase, Y., Fukuyama, A. & Murakami, S., Jan 1 2019, In : Fusion Engineering and Design.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A 6 MeV Heavy Ion Beam Probe for the Large Helical Device

Fujisawa, A., Iguchi, H., Taniike, A., Sasao, M. & Hamada, Y., Aug 1994, In : IEEE Transactions on Plasma Science. 22, 4, p. 395-402 8 p.

Research output: Contribution to journalArticle

21 Citations (Scopus)

A 6 MW/m2 High Heat Flux Testing Facility of Irradiated Materials Using Infrared Plasma-Arc Lamps

Sabau, A. S., Tokunaga, K., Littleton, M. G., Kiggans, J. O., Schaich, C. R., Dinwiddie, R. B., Moore, D. T., Ueda, Y. & Katoh, Y., Oct 3 2019, In : Fusion Science and Technology. 75, 7, p. 690-701 12 p.

Research output: Contribution to journalArticle

A branch of energetic-particle driven geodesic acoustic modes due to magnetic drift resonance

Sasaki, M., Kasuya, N., Itoh, K., Hallatschek, K., Lesur, M., Kosuga, Y. & Itoh, S. I., Oct 1 2016, In : Physics of Plasmas. 23, 10, 102501.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abrupt onset of tongue deformation and phase space response of ions in magnetically-confined plasmas

Ida, K., Kobayashi, T., Itoh, K., Yoshinuma, M., Tokuzawa, T., Akiyama, T., Moon, C., Tsuchiya, H., Inagaki, S. & Itoh, S. I., Oct 31 2016, In : Scientific reports. 6, 36217.

Research output: Contribution to journalArticle

11 Citations (Scopus)

A calibration of setting of mach probes by observing GAM oscillations

Itoh, K., Zhao, K., Dong, J., Itoh, S. I., Fujisawa, A., Inagaki, S., Sasaki, M., Nagashima, Y., Kosuga, Y., Cheng, J. & Kobayashi, T., Jan 1 2016, In : Plasma and Fusion Research. 11, 1402002.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Accessibility to a two-dimensionally steep structure of the electric field in tokamak H-mode

Kasuya, N. & Itoh, K., May 1 2006, In : Plasma Physics and Controlled Fusion. 48, 5 A, p. A319-A326

Research output: Contribution to journalArticle

3 Citations (Scopus)

A Change of H-Mode Dynamics due to Edge Electric Field Shear

Toda, S. & Itoh, S., Jan 1 1996, In : journal of the physical society of japan. 65, 5, p. 1284-1289 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A compact neutron counter telescope with thick radiator (COTETRA) for fusion experiments

Osakabe, M., Itoh, S., Gotoh, Y., Sasao, M. & Fujita, J., Dec 1 1994, In : Review of Scientific Instruments. 65, 5, p. 1636-1643 8 p.

Research output: Contribution to journalArticle

6 Citations (Scopus)

A Concept of Cross-Ferroic Plasma Turbulence

Inagaki, S., Kobayashi, T., Kosuga, Y., Itoh, S. I., Mitsuzono, T., Nagashima, Y., Arakawa, H., Yamada, T., Miwa, Y., Kasuya, N., Sasaki, M., Lesur, M., Fujisawa, A. & Itoh, K., Feb 26 2016, In : Scientific reports. 6, 22189.

Research output: Contribution to journalArticle

41 Citations (Scopus)
11 Citations (Scopus)

Active particle control experiments and critical particle flux discriminating between the wall pumping and fuelling in the compact plasma wall interaction device CPD spherical tokamak

Zushi, H., Hirooka, Y., Bhattacharyay, R., Sakamoto, M., Nakashima, Y., Yoshinaga, T., Higashizono, Y., Hanada, K., Nishino, N., Yoshida, N., Tokunaga, K., Kado, S., Shikama, T., Kawasaki, S., Okamoto, K., Miyazaki, T., Honma, H., Sato, K. N., Nakamura, K., Idei, H. & 3 others, Hasegawa, M., Nakashima, H. & Higashijima, A., Jul 6 2009, In : Nuclear Fusion. 49, 5, 055020.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Adaptive-Array electron cyclotron emission diagnostics using data streaming in a software defined radio system

Idei, H., Mishra, K., Yamamoto, M. K., Hamasaki, M., Fujisawa, A., Nagashima, Y., Hayashi, Y., Onchi, T., Hanada, K. & Zushi, H., Apr 14 2016, In : Journal of Instrumentation. 11, 4, C04010.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A locked mode indicator for disruption prediction on JET and ASDEX upgrade

the ASDEX Upgrade Team, the EUROfusion MST1 Team, the JET Contributors & the EUROfusion MST1 Team, Jan 1 2019, In : Fusion Engineering and Design. 138, p. 254-266 13 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A mini-max principle for drift waves and mesoscale fluctuations

Itoh, S. I. & Itoh, K., Jan 1 2011, In : Plasma Physics and Controlled Fusion. 53, 1, 015008.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A model of giant ELMs

Itoh, S. I., Itoh, K., Fukuyama, A. & Yagi, M., Dec 1 1996, In : Plasma Physics and Controlled Fusion. 38, 4, p. 527-549 23 p.

Research output: Contribution to journalArticle

18 Citations (Scopus)

Analysis of current diffusive ballooning mode including kinetic effects

Uchida, M., Fukuyama, A., Itoh, K., Itoh, S. & Yagi, M., Dec 1 2002, In : Plasma Physics and Controlled Fusion. 44, 12, p. 2495-2511 17 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Analysis of higher harmonics on bidirectional heat pulse propagation experiment in helical and tokamak plasmas

Kobayashi, T., Ida, K., Inagaki, S., Tsuchiya, H., Tamura, N., Choe, G. H., Yun, G. S., Park, H. K., Ko, W. H., Evans, T. E., Austin, M. E., Shafer, M. W., Ono, M., López-bruna, D., Ochando, M. A., Estrada, T., Hidalgo, C., Moon, C., Igami, H., Yoshimura, Y. & 3 others, Tsujimura, T. I., Itoh, S. I. & Itoh, K., May 17 2017, In : Nuclear Fusion. 57, 7, 076013.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Analysis of ion-temperature-gradient instabilities using a gyro-fluid model in cylindrical plasmas

Hattori, G., Kasuya, N. & Yagi, M., Jan 1 2015, In : Plasma and Fusion Research. 10, 3401060.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Analysis of optimal feedback control of vertical plasma position in a tokamak system

Moriyama, S. I., Nakamura, K., Nakamura, Y. & Itoh, S., Jul 1985, In : Japanese Journal of Applied Physics. 24, 7 R, p. 849-855 7 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Analysis of plasma equilibrium based on orbit-driven current density profile in steady-state plasma on QUEST

Nakamura, K., Alam, M. M., Jiang, Y. Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T. & 1 others, Fukuyama, A., Jan 1 2016, In : Fusion Engineering and Design. 109-111, p. 1528-1533 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Analysis of PWI footprint traces and material damage on the first walls of the spherical tokamak QUEST

Sharma, S. K., Zushi, H., Yoshida, N., Watanabe, H., Osakabe, M., Takeri, Y., Hasegawa, M., Tanabe, T., Tokunaga, K., Hanada, K., Idei, H., Sakamoto, M., Nakamura, K., Fujisawa, A., Ishiguro, M. & Tashima, S., Jan 1 2012, In : Fusion Engineering and Design. 87, 1, p. 77-86 10 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Analysis of the current-diffusive ballooning mode

Yagi, M., Itoh, K., Itoh, S., Fukuyama, A. & Azumi, M., Jan 1 1993, In : Physics of Fluids B. 5, 10, p. 3702-3711 10 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

Analysis of the footprint traces on the first walls of the compact plasma wall interaction device (CPD) using surface analysis and electron orbit calculations

Sharma, S. K., Zushi, H., Osakabe, M., Takeiri, Y., Yoshida, N., Hasegava, M., Yoshinaga, T., Hanada, K., Idei, H., Sakamoto, M., Nakamura, K. & Sato, K. N., Jan 29 2010, In : Nuclear Fusion. 50, 2, 025017.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Analysis of the thermal activation of high-mobility dislocation loops

Ohsawa, K. & Kuramoto, E., Mar 1 2005, In : Materials Transactions. 46, 3, p. 457-462 6 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Analysis on Anomalous Conductivity and Heat Pulse Propagation in Tokamak

Yamaguchi, H. & Itoh, S. I., Apr 1995, In : journal of the physical society of japan. 64, 4, p. 1051-1054 4 p.

Research output: Contribution to journalArticle

Analysis on precipitation behavior of reduced activation ferritic/martensitic steels with extraction residue tests

Nagasaka, T., Hishinuma, Y., Muroga, T., Watanabe, H., Sakasegawa, H., Tanigawa, H. & Ando, M., Oct 1 2013, In : Fusion Engineering and Design. 88, 9-10, p. 2565-2568 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Analytical solution of high βp equilibria with natural inboard poloidal null configuration obtained in the spherical tokamak QUEST

QUEST Team, Jan 1 2014, In : Plasma and Fusion Research. 9, SpecialIssue2, 3402093.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Analytic solutions of the two-dimensional transport equation in scrape-off-layer plasmas

Itoh, S. I., Yagi, M. & Itoh, K., Dec 1 1996, In : Plasma Physics and Controlled Fusion. 38, 2, p. 155-164 10 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

An application of hadamard transform for plasma laser-induced fluorescence spectroscopy

Arakawa, H., Inagaki, S., Sasaki, M., Itoh, K. & Itoh, S. I., Jan 1 2015, In : Plasma and Fusion Research. 10, 1201085.

Research output: Contribution to journalArticle

An assessment of limit cycle oscillation dynamics prior to L-H transition

Itoh, K., Itoh, S. I. & Fujisawa, A., Jan 1 2013, In : Plasma and Fusion Research. 8, 1102168.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Anatomy of plasma turbulence

Yamada, T., Itoh, S. I., Maruta, T., Kasuya, N., Nagashima, Y., Shinohara, S., Terasaka, K., Yagi, M., Inagaki, S., Kawai, Y., Fujisawa, A. & Itoh, K., Sep 2008, In : Nature Physics. 4, 9, p. 721-725 5 p.

Research output: Contribution to journalArticle

123 Citations (Scopus)

A new fast-rise kicker magnet system by a waveform correction method using auxiliary magnets and a three bump orbit correction method

Nakamura, E., Sakai, Y., Sakai, I., Takayama, M., Yabukami, S., Ishi, Y., Uesugi, T., Nakamura, T., Nakao, Y. & Inagaki, S., Feb 11 2011, In : Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 665, p. 19-24 6 p.

Research output: Contribution to journalArticle

Anisotropic radiation damage by charge exchange neutrals under tokamak discharges in TRIAM-1M

Hirai, T., Fujiwara, T., Tokunaga, K., Yoshida, N. & Itoh, S., Mar 2001, In : Journal of Nuclear Materials. 290-293, p. 94-98 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)

A parameter that denotes non-equilibrium property for turbulent plasmas

Itoh, K. & Itoh, S., Jan 1 2015, In : Plasma and Fusion Research. 10, 3401027.

Research output: Contribution to journalArticle

A plasma shape identification with magnetic analysis for the real-time control on QUEST

Hasegawa, M., Nakamura, K., Tokunaga, K., Zushi, H., Hanada, K., fujisawa, A., Idei, H., Kawasaki, S., Nakashima, H. & Higashijima, A., Oct 5 2012, In : IEEJ Transactions on Fundamentals and Materials. 132, 7

Research output: Contribution to journalArticle

13 Citations (Scopus)

Application of tritium tracer techniques to observation of hydrogen on surface and in bulk of F82H

Otsuka, T., Tanabe, T., Tokunaga, K., Yoshida, N., Ezato, K., Suzuki, S. & Akiba, M., Oct 1 2011, In : Journal of Nuclear Materials. 417, 1-3, p. 1135-1138 4 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Approaches to hysteresis of transport relations in toroidal plasmas

Itoh, S. I., Inagaki, S., Dong, J. & Itoh, K., Jan 1 2016, In : Plasma and Fusion Research. 11, 1, 2503086.

Research output: Contribution to journalArticle

5 Citations (Scopus)
6 Citations (Scopus)

A prototype diagnostics system to detect ultraviolet emission for plasma turbulence

Onchi, T., Fujisawa, A. & Sanpei, A., Nov 1 2014, In : Review of Scientific Instruments. 85, 11, 113502.

Research output: Contribution to journalArticle

4 Citations (Scopus)

APTWG: The 5th Asia-Pacific Transport Working Group Meeting

Gao, X., Ghim, Y. C., Sun, Y. W., Gao, Z., Shigeru, I., Chen, W., Zhang, T. & Wang, Z. X., Feb 8 2016, In : Nuclear Fusion. 56, 3, 037001.

Research output: Contribution to journalArticle

2 Citations (Scopus)

APTWG: The 4th Asia-Pacific Transport Working Group Meeting

Ida, K., Kwon, J. M., Leconte, M., Ko, W. H., Inagaki, S., Todo, Y. & Kosuga, Y., Jan 1 2015, In : Nuclear Fusion. 55, 1, 017001.

Research output: Contribution to journalArticle

5 Citations (Scopus)

A quantitative model for heat pulse propagation across large helical device plasmas

Zhu, H., Dendy, R. O., Chapman, S. C. & Inagaki, S., Jun 1 2015, In : Physics of Plasmas. 22, 6, 062308.

Research output: Contribution to journalArticle

2 Citations (Scopus)

A rotating coil probe for the magnetic field measurement on a long pulsed tokamak

Fujita, J., Matsuura, K., Kawahata, K., Fujiwaka, S., Itoh, S., Sato, K. N., Nakamura, K., Zushi, H., Sakamoto, M., Hanada, K., Jotaki, E. & Makino, K., Jan 1 1999, In : Review of Scientific Instruments. 70, 1 II, p. 445-448 4 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

A sawtooth model based on the transport catastrophe

Itoh, K., Itoh, S. I. & Fukuyama, A., Dec 1 1995, In : Plasma Physics and Controlled Fusion. 37, 11, p. 1287-1297 11 p., 008.

Research output: Contribution to journalArticle

14 Citations (Scopus)

A simple model for electron dissipation in trapped ion turbulence

Lesur, M., Cartier-Michaud, T., Drouot, T., Diamond, P. H., Kosuga, Y., Réveillé, T., Gravier, E., Garbet, X., Itoh, S. I. & Itoh, K., Jan 1 2017, In : Physics of Plasmas. 24, 1, 012511.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Assessment of phase stability of oxide particles in different types of 15Cr-ODS ferritic steels under 6.4 MeV Fe ion irradiation at 200 °C

Song, P., Kimura, A., Yabuuchi, K., Dou, P., Watanabe, H., Gao, J. & Huang, Y. J., Feb 2020, In : Journal of Nuclear Materials. 529, 151953.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A structural bifurcation of transport in toroidal plasmas

Itoh, K. & Itoh, S. I., Feb 19 2016, In : Plasma Physics and Controlled Fusion. 58, 4, 045017.

Research output: Contribution to journalArticle

7 Citations (Scopus)

A study of high-energy ions produced by ICRF heating in LHD

Saito, K., Kumazawa, R., Mutoh, T., Seki, T., Watari, T., Yamamoto, T., Torii, Y., Takeuchi, N., Zhang, C., Zhao, Y., Fukuyama, A., Shimpo, F., Nomura, G., Yokota, M., Kato, A., Sasao, M., Isobe, M., Krasilnikov, A. V., Ozaki, T., Osakabe, M. & 61 others, Narihara, K., Nagayama, Y., Inagaki, S., Itoh, K., Ido, T., Morita, S., Ohkubo, K., Sato, M., Kubo, S., Shimozuma, T., Idei, H., Yoshimura, Y., Notake, T., Kaneko, O., Takeiri, Y., Oka, Y., Tsumori, K., Ikeda, K., Komori, A., Yamada, H., Funaba, H., Watanabe, K. Y., Sakakibara, S., Sakamoto, R., Miyazawa, J., Tanaka, K., Peterson, B. J., Ashikawa, N., Murakami, S., Minami, T., Shoji, M., Ohdachi, S., Yamamoto, S., Suzuki, H., Kawahata, K., Emoto, M., Nakanishi, H., Inoue, N., Ohyabu, N., Nakamura, Y., Masuzaki, S., Muto, S., Sato, K., Morisaki, T., Yokoyama, M., Watanabe, T., Goto, M., Yamada, I., Ida, K., Tokuzawa, T., Noda, N., Toi, K., Yamaguchi, S., Akaishi, K., Sagara, A., Nishimura, K., Yamazaki, K., Sudo, S., Hamada, Y., Motojima, O. & Fujiwara, M., Jan 1 2002, In : Plasma Physics and Controlled Fusion. 44, 1, p. 103-119 17 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)