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  • Naohiro Kasuya

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)

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

46 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Azimuthal inhomogeneity of turbulence structure and its impact on intermittent particle transport in linear magnetized plasmas

Kobayashi, T., Inagaki, S., Sasaki, M., Kosuga, Y., Arakawa, H., Yamada, T., Nagashima, Y., Miwa, Y., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Nov 2015, In : Physics of Plasmas. 22, 11, 112301.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Changes of particle flux during end-plate biasing experiment in PANTA

Kin, F., Yamada, T., Inagaki, S., Nagashima, Y., Arakawa, H., Kobayashi, T., Miwa, Y., Kasuya, N., Sasaki, M., Kosuga, Y., Fujisawa, A., Itoh, K. & Itoh, S. I., Sep 15 2016, In : journal of the physical society of japan. 85, 9, 093501.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Coexistence of driftwaves and d'angelo modes at different position and frequency in linear plasma device

Dupertuis, N., Inagaki, S., Nagashima, Y., Kosuga, Y., Kin, F., Kobayashi, T., Kasuya, N., Sasaki, M., Fujisawa, A., Tran, M. Q., Itoh, S. I. & Itoh, K., 2017, In : Plasma and Fusion Research. 12, 1201008.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Determination of spatiotemporal structure of fluctuations by statistical averaging method

Kawachi, Y., Inagaki, S., Tomita, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Hasamada, K., Zhang, B. & Fujisawa, A., 2018, In : Plasma and Fusion Research. 13, 3401105.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Developments of frequency comb microwave reflectometer for the interchange mode observations in LHD plasma

Lhd Experiment Group, Feb 3 2016, In : Journal of Instrumentation. 11, 2, C02009.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Dynamics of edge limit cycle oscillation in the JFT-2M Tokamak

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S., Ida, K., Kasuya, N. & Hoshino, K., Jul 2014, In : Nuclear Fusion. 54, 7, 073017.

Research output: Contribution to journalArticle

19 Citations (Scopus)

Eddy, drift wave and zonal flow dynamics in a linear magnetized plasma

Arakawa, H., Inagaki, S., Sasaki, M., Kosuga, Y., Kobayashi, T., Kasuya, N., Nagashima, Y., Yamada, T., Lesur, M., Fujisawa, A., Itoh, K. & Itoh, S. I., Sep 15 2016, In : Scientific reports. 6, 33371.

Research output: Contribution to journalArticle

15 Citations (Scopus)

End plate biasing experiments in linear magnetized plasmas

Yamada, T., Inagaki, S., Kobayashi, T., Nagashima, Y., Mitsuzono, T., Miwa, Y., Nakanishi, K., Fujino, H., Sasaki, M., Kasuya, N., Lesur, M., Kosuga, Y., Fujisawa, A., Itoh, S. I. & Itoh, K., Nov 1 2014, In : Nuclear Fusion. 54, 11, 114010.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Enhancement and suppression of turbulence by energetic-particle-driven geodesic acoustic modes

Sasaki, M., Itoh, K., Hallatschek, K., Kasuya, N., Lesur, M., Kosuga, Y. & Itoh, S. I., Dec 1 2017, In : Scientific reports. 7, 1, 16767.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Estimation of particle flux driven by coherent mode using of statistical conditional averaging

Kawachi, Y., Inagaki, S., Hasamada, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Yamada, T., Zhang, B. & Fujisawa, A., 2019, In : Plasma and Fusion Research. 14, 1402090.

Research output: Contribution to journalArticle

Open Access

Evaluation of electron temperature fluctuations using a conditional technique

Yamada, S., Inagaki, S., Oldenbürger, S., Kobayashi, T., Kawashima, K., Ohyama, N., Tobimatsu, Y., Arakawa, H., Nagashima, Y., Yamada, T., Sasaki, M., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., 2012, In : Plasma and Fusion Research. 7, SPL.ISS.1, 2401133.

Research output: Contribution to journalArticle

Evaluation of excitation conditions of ITG modes in the PANTA

Miwa, Y., Kasuya, N., Sasaki, M., Inagaki, S., Itoh, K., Yagi, M., Fujisawa, A., Nagashima, Y., Lesur, M., Kobayashi, T., Yamada, S., Yamashita, T., Otsubo, S., Kakigawa, S., Mitsuzono, T., Fujino, H. & Itoh, S. I., 2013, In : Plasma and Fusion Research. 8, 2403133.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Evaluation of measurement signal of heavy ion beam probe of energetic-particle driven geodesic acoustic modes

Sasaki, M., Itoh, K., Ido, T., Shimizu, A., Kobayashi, T., Arakawa, H., Kasuya, N., Fujisawa, A. & Itoh, S. I., 2018, In : Plasma and Fusion Research. 13, 3403040.

Research output: Contribution to journalArticle

Open Access

Evaluation of non-linear mode coupling during end-plate biasing experiment in PANTA

Kin, F., Yamada, T., Inagaki, S., Arakawa, H., Nagashima, Y., Kasuya, N., Fujisawa, A., Nakanishi, K., Kono, H., Mizokami, T., Sasaki, M., Lesur, M., Kosuga, Y., Itoh, K. & Itoh, S. I., 2015, In : Plasma and Fusion Research. 10, 3401043.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Evaluation of spatial variation of nonlinear energy transfer by use of turbulence diagnostic simulator

Kasuya, N., Sugita, S., Sasaki, M., Inagaki, S., Yagi, M., Itoh, K. & Itoh, S. I., 2013, In : Plasma and Fusion Research. 8, 2403070.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Extension of operation regimes and investigation of three-dimensional currentless plasmas in the Large Helical Device

Kaneko, O., Yamada, H., Inagaki, S., Jakubowski, M., Kajita, S., Kitajima, S., Kobayashi, Koga, K., Morisaki, T., Morita, S., Mutoh, T., Sakakibara, S., Suzuki, Y., Takahashi, H., Tanaka, K., Toi, K., Yoshimura, Y., Akiyama, T., Asahi, Y., Ashikawa, N. & 145 others, Chikaraishi, H., Cooper, A., Darrow, D. S., Drapiko, E., Drewelow, P., Du, X., Ejiri, A., Emoto, M., Evans, T., Ezumi, N., Fujii, K., Fukuda, T., Funaba, H., Furukawa, M., Gates, D. A., Goto, M., Goto, T., Guttenfelder, W., Hamaguchi, S., Hasuo, M., Hino, T., Hirooka, Y., Ichiguchi, K., Ida, K., Idei, H., Ido, T., Igami, H., Ikeda, K., Imagawa, S., Imai, T., Isobe, M., Itagaki, M., Ito, T., Itoh, K., Itoh, S., Iwamoto, A., Kamiya, K., Kariya, T., Kasahara, H., Kasuya, N., Kato, D., Kato, T., Kawahata, K., Koike, F., Kubo, S., Kumazawa, R., Kuwahara, D., Lazerson, S., Lee, H., Masuzaki, S., Matsuoka, S., Matsuura, H., Matsuyama, A., Michael, C., Mikkelsen, D., Mitarai, O., Mito, T., Miyazawa, J., Motojima, G., Mukai, K., Murakami, A., Murakami, I., Murakami, S., Muroga, T., Muto, S., Nagaoka, K., Nagasaki, K., Nagayama, Y., Nakajima, N., Nakamura, H., Nakamura, Y., Nakanishi, H., Nakano, H., Nakano, T., Narihara, K., Narushima, Y., Nishimura, K., Nishimura, S., Nishiura, M., Nunami, Y. M., Obana, T., Ogawa, K., Ohdachi, S., Ohno, N., Ohyabu, N., Oishi, T., Okamoto, M., Okamoto, A., Osakabe, M., Oya, Y., Ozaki, T., Pablant, N., Peterson, B. J., Sagara, A., Saito, K., Sakamoto, R., Sakaue, H., Sasao, M., Sato, K., Sato, M., Sawada, K., Seki, R., Seki, T., Sergeev, V., Sharapov, S., Sharov, I., Shimizu, A., Shimozuma, T., Shiratani, M., Shoji, M., Sudo, S., Sugama, H., Suzuki, C., Takahata, K., Takeiri, Y., Takemura, Y., Takeuchi, M., Tamura, H., Tamura, N., Tanaka, H., Tanaka, T., Tingfeng, M., Todo, Y., Tokitani, M., Tokunaga, K., Tokuzawa, T., Tsuchiya, H., Tsumori, K., Ueda, Y., Vyacheslavov, L., Watanabe, K. Y., Watanabe, T., Watanabe, T. H., Wieland, B., Yamada, I., Yamada, S., Yamamoto, S., Yanagi, N., Yasuhara, R., Yokoyama, M., Yoshida, N., Yoshimura, S., Yoshinaga, T., Yoshinuma, M. & Komori, A., Oct 2013, In : Nuclear Fusion. 53, 10, 104015.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Extraction of nonlinear waveform in turbulent plasma

Kin, F., Itoh, K., Fujisawa, A., Kosuga, Y., Sasaki, M., Yamada, T., Inagaki, S., Itoh, S. I., Kobayashi, T., Nagashima, Y., Kasuya, N., Arakawa, H., Yamasaki, K. & Hasamada, K., Jun 1 2018, In : Physics of Plasmas. 25, 6, 062304.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Finite larmor radius effect on ion-temperature-gradient instability in cylindrical plasmas

Kasuya, N., Ohno, T., Sasaki, M. & Yagi, M., 2019, In : Plasma and Fusion Research. 14, 1158.

Research output: Contribution to journalArticle

Open Access

Formation mechanism of steep wave front in magnetized plasmas

Sasaki, M., Kasuya, N., Kobayashi, T., Arakawa, H., Itoh, K., Fukunaga, K., Yamada, T., Yagi, M. & Itoh, S. I., Mar 1 2015, In : Physics of Plasmas. 22, 3, 032315.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Formation of spiral structures of turbulence driven by a strong rotation in magnetically cylindrical plasmas

Sasaki, M., Camenen, Y., Escarguel, A., Inagaki, S., Kasuya, N., Itoh, K. & Kobayashi, T., Apr 1 2019, In : Physics of Plasmas. 26, 4, 0423051.

Research output: Contribution to journalArticle

Global measurement of Reynolds stress in a cylindrical linear plasma

Nagashima, Y., Itoh, S. I., Inagaki, S., Oldenbürger, S., Kobayashi, T., Kawashima, K., Ohyama, N., Tobimatsu, Y., Yamada, S., Yamashita, T., Arakawa, H., Kamataki, K., Yamada, T., Sasaki, M., Kasuya, N., Yagi, M., Fujisawa, A., Diamond, P. H. & Itoh, K., 2012, 39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics. p. 1951-1954 4 p. (39th EPS Conference on Plasma Physics 2012, EPS 2012 and the 16th International Congress on Plasma Physics; vol. 3).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Open Access
1 Citation (Scopus)

Higher harmonics in a perturbative transport experiment

Lhd Experiment Group, 2013, In : Plasma and Fusion Research. 8, 1202173.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Higher harmonics in the perturbative transport study in TJ-II ECH plasma

Inagaki, S., Itoh, S. I., Itoh, K., Ida, K., López-Bruna, D., Ochand, M. A., Estrada, T., Van Milligen, B. P., Hidalgo, C., Kasuya, N. & TJ-II team, T., 2014, In : Plasma and Fusion Research. 9, 1202052.

Research output: Contribution to journalArticle

14 Citations (Scopus)

How is turbulence intensity determined by macroscopic variables in a toroidal plasma?

Inagaki, S., Tokuzawa, T., Tamura, N., Itoh, S. I., Kobayashi, T., Ida, K., Shimozuma, T., Kubo, S., Tanaka, K., Ido, T., Shimizu, A., Tsuchiya, H., Kasuya, N., Nagayama, Y., Kawahata, K., Sudo, S., Yamada, H., Fujisawa, A. & Itoh, K., Nov 2013, In : Nuclear Fusion. 53, 11, 113006.

Research output: Contribution to journalArticle

38 Citations (Scopus)

Hysteresis and fast timescales in transport relations of toroidal plasmas

Itoh, K., Itoh, S. I., Ida, K., Inagaki, S., Kamada, Y., Kamiya, K., Dong, J. Q., Hidalgo, C., Evans, T., Ko, W. H., Park, H., Tokuzawa, T., Kubo, S., Kobayashi, T., Kosuga, Y., Sasaki, M., Yun, G. S., Song, S. D., Kasuya, N., Nagashima, Y. & 6 others, Moon, C., Yoshinuma, M., Makino, R., Tsujimura, T., Tsuchiya, H. & Stroth, U., Jul 28 2017, In : Nuclear Fusion. 57, 10, 102021.

Research output: Contribution to journalArticle

5 Citations (Scopus)

Identification of quasi-periodic nonlinear waveforms in turbulent plasmas

Inagaki, S., Miwa, Y., Kobayashi, T., Yamada, T., Nagashima, Y., Mitsuzono, T., Fujino, H., Sasaki, M., Kasuya, N., Lesur, M., Kosuga, Y., Fujisawa, A., Itoh, S. I. & Itoh, K., 2014, In : Plasma and Fusion Research. 9, 1201016.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Improvement of the reynolds stress probe for end-plate biasing experiments in a cylindrical laboratory plasma

Kanzaki, T., Nagashima, Y., Inagaki, S., Kin, F., Miwa, Y., Sasaki, M., Yamada, T., Fujisawa, A., Kobayashi, T., Kasuya, N., Kosuga, Y., Itoh, S. I. & Itoh, K., 2016, In : Plasma and Fusion Research. 11, 1201091.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

Arakawa, H., Inagaki, S., Kosuga, Y., Sasaki, M., Kin, F., Hasamada, K., Yamasaki, K., Kobayashi, T., Yamada, T., Nagashima, Y., Fujisawa, A., Kasuya, N., Itoh, K. & Itoh, S. I., Oct 1 2019, In : IEEJ Transactions on Electrical and Electronic Engineering. 14, 10, p. 1450-1454 5 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ka-band microwave frequency comb doppler reflectometer system for the large helical device

Lhd Experiment Group, Jan 1 2014, In : Plasma and Fusion Research. 9, 1402149.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Measurement of dynamical density profiles using a microwave frequency comb reflectometer

Inagaki, S., Itoh, K., Yamada, T., Itoh, S. I., Tokuzawa, T., Fujisawa, A., Kasuya, N., Sasaki, M., Nagashima, Y. & Arakawa, H., 2013, In : Plasma and Fusion Research. 8, 1201171.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Multiple-instabilities in magnetized plasmas with density gradient and velocity shears

Sasaki, M., Kasuya, N., Toda, S., Yamada, T., Kosuga, Y., Arakawa, H., Kobayashi, T., Inagaki, S., Fujisawa, A., Nagashima, Y., Itoh, K. & Itoh, S. I., 2017, In : Plasma and Fusion Research. 12, 1401042.

Research output: Contribution to journalArticle

4 Citations (Scopus)

New method of analysis for dynamical transport

Lhd Experiment Group, 2013, In : Plasma and Fusion Research. 8, 1202172.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Nonlinear characteristics of mediator and streamer in linear magnetized plasmas

Kin, F., Fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Yamada, T., Inagaki, S., Itoh, S. I., Kobayashi, T., Nagashima, Y., Kasuya, N., Arakawa, H., Yamasaki, K. & Hasamada, K., 2018, 45th EPS Conference on Plasma Physics, EPS 2018. Berndt, J., Coda, S., Lapenta, G., Michaut, C., Weber, S. & Mantsinen, M. (eds.). European Physical Society (EPS), p. 565-568 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; vol. 2018-July).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nonlinear competition of turbulent structures and improved confinement in magnetized cylindrical plasmas

Sasaki, M., Kasuya, N., Itoh, K., Yagi, M. & Itoh, S. I., Oct 1 2014, In : Nuclear Fusion. 54, 11, 114009.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Nonlinear coupling of driftwaves and high frequency fluctuation on PANTA

Hasamada, K., Kosuga, Y., Kin, F., Inagaki, S., Nagashima, Y., Kobayashi, T., Sasaki, M., Kasuya, N., Yamasaki, K., Itoh, S. I., Itoh, K. & Fujisawa, A., 2017, In : Plasma and Fusion Research. 12, 1201034.

Research output: Contribution to journalArticle

Numerical diagnostics of fluctuation spectrum in 3D magnetic configurations

Kasuya, N., Nunami, M., Tanaka, K. & Yagi, M., Aug 30 2018, In : Nuclear Fusion. 58, 10, 106033.

Research output: Contribution to journalArticle

1 Citation (Scopus)
Open Access

Observations of intermittent structures in the periphery of a cylindrical linear plasma in panta

Ohyama, N., Fujisawa, A., Inagaki, S., Nagashima, Y., Oldenbürger, S., Kobayashi, T., Kawashima, K., Tobimatsu, Y., Yamashita, T., Yamada, S., Arakawa, H., Yamada, T., Yagi, M., Kasuya, N., Sasaki, M., Itoh, S. I. & Itoh, K., 2012, In : Plasma and Fusion Research. 7, 2012, 1201025.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Observations of radially elongated particle flux induced by streamer in a linear magnetized plasma

Kin, F., Fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Inagaki, S., Nagashima, Y., Yamada, T., Kasuya, N., Yamasaki, K., Hasamada, K., Zhang, B. Y., Kawachi, Y., Arakawa, H., Kobayashi, T. & Itoh, S. I., Apr 1 2019, In : Physics of Plasmas. 26, 4, 042306.

Research output: Contribution to journalArticle

3 Citations (Scopus)

On a nonlinear dispersion effect of geodesic acoustic modes

Sasaki, M., Itoh, K., Kasuya, N., Hallatschek, K. & Itoh, S. I., 2013, In : Plasma and Fusion Research. 8, 2013, 1403010.

Research output: Contribution to journalArticle

4 Citations (Scopus)

On the Origin of Steep and Localized Radial Electric Field in the Transport Barrier at Plasma Edge

Itoh, K., Itoh, S. I., Kobayashi, T., Kamiya, K., Ido, T., Tokuzawa, T., Inagaki, S. & Kasuya, N., Aug 1 2016, In : Contributions to Plasma Physics. 56, 6-8, p. 522-527 6 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
1 Citation (Scopus)

On the spatial structure of solitary radial electric field at the plasma edge in toroidal confinement devices

Itoh, K., Itoh, S. I., Kamiya, K. & Kasuya, N., Jul 1 2015, In : Plasma Physics and Controlled Fusion. 57, 7, 075008.

Research output: Contribution to journalArticle

16 Citations (Scopus)

On the Study of Higher Harmonics of Heat Pulse Propagation in the Modulated-Heating Experiments

Itoh, K., Itoh, S. I., Inagaki, S., Kasuya, N. & Fujisawa, A., Jan 15 2016, In : journal of the physical society of japan. 85, 1, 014501.

Research output: Contribution to journalArticle

6 Citations (Scopus)

On violation of local closure of transport relation in high-temperature magnetized plasmas

Kasuya, N., Sugita, S., Inagaki, S., Itoh, K., Yagi, M. & Itoh, S. I., Nov 1 2014, In : Physics of Plasmas. 21, 11, 110701.

Research output: Contribution to journalArticle

2 Citations (Scopus)