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Author

  • Naohiro Kasuya
2020

Observation of spatiotemporal structures of temperature fluctuations by using of a statistical phase detection method in a linear magnetized plasma

Kawachi, Y., Inagaki, S., Kin, F., Yamasaki, K., Kosuga, Y., Sasaki, M., Nagashima, Y., Yamada, T., Arakawa, H., Kasuya, N., Moon, C., Hasamada, K. & Fujisawa, A., May 2020, In : Plasma Physics and Controlled Fusion. 62, 5, 055011.

Research output: Contribution to journalArticle

Open Access
2019

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., Jan 1 2019, In : Plasma and Fusion Research. 14, 1402090.

Research output: Contribution to journalArticle

Open Access

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

Kasuya, N., Ohno, T., Sasaki, M. & Yagi, M., Jan 1 2019, In : Plasma and Fusion Research. 14, 1158.

Research output: Contribution to journalArticle

Open Access

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

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)

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

2 Citations (Scopus)

Roles of solitary eddy and splash in drift wave-zonal flow system in a linear magnetized plasma

Arakawa, H., Sasaki, M., Inagaki, S., Kosuga, Y., Kobayashi, T., Kasuya, N., Yamada, T., Nagashima, Y., Kin, F., Fujisawa, A., Itoh, K. & Itoh, S. I., May 1 2019, In : Physics of Plasmas. 26, 5, 052305.

Research output: Contribution to journalArticle

Open Access

Turbulence simulation on zonal flow formations in the presence of parallel flows

Sasaki, M., Kasuya, N., Kosuga, Y., Kobayashi, T., Yamada, T., Arakawa, H., Inagaki, S. & Itoh, K., Jan 1 2019, In : Plasma and Fusion Research. 14, 1161.

Research output: Contribution to journalArticle

Open Access

Using dynamical mode decomposition to extract the limit cycle dynamics of modulated turbulence in a plasma simulation

Sasaki, M., Kawachi, Y., Dendy, R. O., Arakawa, H., Kasuya, N., Kin, F., Yamasaki, K. & Inagaki, S., Oct 11 2019, In : Plasma Physics and Controlled Fusion. 61, 11, 112001.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

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., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201008.

Research output: Contribution to journalArticle

2 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)

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

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., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401042.

Research output: Contribution to journalArticle

4 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., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201034.

Research output: Contribution to journalArticle

Phenomenological classification of turbulence states in linear magnetized plasma PANTA

Kobayashi, T., Inagaki, S., Sasaki, M., Kosuga, Y., Arakawa, H., Kin, F., Yamada, T., Nagashima, Y., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401019.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Radially distributed instabilities and nonlinear process to generate pressure variation in a torus plasma

Kasuya, N. & Yagi, M., Jan 1 2017, In : Plasma and Fusion Research. 12, 1, 1303005.

Research output: Contribution to journalArticle

Topological bifurcation of helical flows in magnetized plasmas with density gradient and parallel flow shear

Sasaki, M., Kasuya, N., Itoh, K., Toda, S., Yamada, T., Kosuga, Y., Nagashima, Y., Kobayashi, T., Arakawa, H., Yamasaki, K., Fujisawa, A., Inagaki, S. & Itoh, S. I., Nov 1 2017, In : Physics of Plasmas. 24, 11, 112103.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Toroidal momentum channeling of geodesic acoustic modes driven by fast ions

Sasaki, M., Kasuya, N., Itoh, K., Kosuga, Y., Lesur, M., Hallatschek, K. & Itoh, S. I., Mar 2017, In : Nuclear Fusion. 57, 3, 036025.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2016

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

45 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

2 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)

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

14 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., Jan 1 2016, In : Plasma and Fusion Research. 11, 1201091.

Research output: Contribution to journalArticle

1 Citation (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)
6 Citations (Scopus)

Structure formation in parallel ion flow and density profiles by cross-ferroic turbulent transport in linear magnetized plasma

Kobayashi, T., Inagaki, S., Kosuga, Y., Sasaki, M., Nagashima, Y., Yamada, T., Arakawa, H., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Oct 1 2016, In : Physics of Plasmas. 23, 10, 102311.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2015

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

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)

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., Jan 1 2015, In : Plasma and Fusion Research. 10, 3401043.

Research output: Contribution to journalArticle

3 Citations (Scopus)

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)

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

15 Citations (Scopus)

Simulation study of hysteresis in the gradient-flux relation in toroidal plasma turbulence

Kasuya, N., Sugita, S., Shigeru, I., Itoh, K., Yagi, M. & Itoh, S., Apr 1 2015, In : Plasma Physics and Controlled Fusion. 57, 4, 044010.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Test of the telegraph equation for transport dynamics in plasma

Inagaki, S., Itoh, K., Itoh, S. I., Kosuga, Y., Lesur, M. & Kasuya, N., Jan 1 2015, In : Plasma and Fusion Research. 10, 2015, p. 1-2 2 p., 1203002.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2014

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)

End plate biasing experiments in linear magnetized plasmas

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

Research output: Contribution to journalArticle

7 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., Jan 1 2014, In : Plasma and Fusion Research. 9, 1202052.

Research output: Contribution to journalArticle

13 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., Jan 1 2014, In : Plasma and Fusion Research. 9, 1201016.

Research output: Contribution to journalArticle

7 Citations (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)

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

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

Research output: Contribution to journalArticle

8 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)

Study of non-linear coupling of fluctuations at long distance in LHD

Shigeru, I., Tokuzawa, T., Kobayashi, T., Itoh, S., Itoh, K., Ida, K., fujisawa, A., Kubo, S., Shimozuma, T., Tamura, N., Kasuya, N., Tsuchiya, H. & Nagayama, Y., Oct 1 2014, In : Nuclear Fusion. 54, 11, 114014.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2013

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., Jan 1 2013, In : Plasma and Fusion Research. 8, 2403133.

Research output: Contribution to journalArticle

5 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., Jan 1 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 1 2013, In : Nuclear Fusion. 53, 10, 104015.

Research output: Contribution to journalArticle

24 Citations (Scopus)

Higher harmonics in a perturbative transport experiment

Lhd Experiment Group, Jan 1 2013, In : Plasma and Fusion Research. 8, 1202173.

Research output: Contribution to journalArticle

11 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 1 2013, In : Nuclear Fusion. 53, 11, 113006.

Research output: Contribution to journalArticle

37 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., Jan 1 2013, In : Plasma and Fusion Research. 8, 1201171.

Research output: Contribution to journalArticle

4 Citations (Scopus)