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  • Naohiro Kasuya

Zonal flows induced by symmetry breaking with existence of geodesic acoustic modes

Sasaki, M., Itoh, K., Itoh, S. I. & Kasuya, N., Feb 2012, In : Nuclear Fusion. 52, 2, 023009.

Research output: Contribution to journalArticle

7 Citations (Scopus)

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)

Turbulence simulation taking account of inhomogeneity of neutral density in linear devices

Kasuya, N., Abe, S., Sasaki, M., Inagaki, S., Kobayashi, T. & Yagi, M., Jan 1 2018, In : Physics of Plasmas. 25, 1, 012314.

Research output: Contribution to journalArticle

5 Citations (Scopus)

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., 2019, In : Plasma and Fusion Research. 14, 1161.

Research output: Contribution to journalArticle

Open Access

Time evolution of power spectrum density in spontaneous transition in cylindrical magnetized plasma

Kobayashi, T., Inagaki, S., Oldenbürger, S., Kawashima, K., Ohyama, N., Tobimatsu, Y., Arakawa, H., Sasaki, M., Nagashima, Y., Yamada, T., Sugita, S., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Dec 1 2012, In : Plasma and Fusion Research. 7, SPL.ISS.1, 2401054.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Three-dimensional structure of the streamer in linear plasmas

Yamada, T., Inagaki, S., Sasaki, M., Nagashima, Y., Kin, F., Arakawa, H., Kobayashi, T., Yamasaki, K., Kasuya, N., Kosuga, Y., Fujisawa, A., Itoh, K. & Itoh, S. I., Jan 1 2018, In : journal of the physical society of japan. 87, 3, 034501.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Test of the telegraph equation for transport dynamics in plasma

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

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

Inagaki, S., Tokuzawa, T., Kobayashi, T., Itoh, S. I., 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)

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

11 Citations (Scopus)

Streamer structures in experiment and modeling

Yamada, T., Sasaki, M., Kasuya, N., Nagashima, Y., Inagaki, S., Kobayashi, T., Yagi, M., Fujisawa, A., Itoh, S. I. & Itoh, K., 2013, In : Plasma and Fusion Research. 8, SPL.ISS.1, 2401022.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Statistical analyses of turbulent particle and momentum fluxes in a cylindrical magnetized plasma

Sasaki, M., Kasuya, N., Yagi, M., Itoh, K., Nagashima, Y., Inagaki, S. & Itoh, S. I., 2013, In : Plasma and Fusion Research. 8, 2401113.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Spatio-temporal dynamics of turbulence trapped in geodesic acoustic modes

Sasaki, M., Kobayashi, T., Itoh, K., Kasuya, N., Kosuga, Y., Fujisawa, A. & Itoh, S. I., Jan 1 2018, In : Physics of Plasmas. 25, 1, 012316.

Research output: Contribution to journalArticle

11 Citations (Scopus)

Spatio-temporal dynamics of turbulence coupling with zonal flows

Sasaki, M., Kobayashi, T., Itoh, K., Kasuya, N., Kosuga, Y., Fujisawa, A., Inagaki, S. & Itoh, S. I., 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. 449-452 4 p. (45th EPS Conference on Plasma Physics, EPS 2018; vol. 2018-July).

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

1 Citation (Scopus)

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

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

Research output: Contribution to journalArticle

3 Citations (Scopus)

Simulation research on competitive nature of plasma turbulence in linear devices

Kasuya, N. & Sasaki, M., Aug 1 2018, Front-runners' Symposium on Plasma Physics in Honor of Professors Kimitaka Itoh and Sanae-I. Itoh. Todo, Y. & Ida, K. (eds.). American Institute of Physics Inc., 020008. (AIP Conference Proceedings; vol. 1993).

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

Simulation of co-existence of ballooning and kink instabilities in PLATO tokamak plasma

Tomimatsu, S., Kasuya, N., Sato, M., Fukuyama, A., Yagi, M., Nagashima, Y. & Fujisawa, A., 2020, In : Plasma and Fusion Research. 15, 1403052.

Research output: Contribution to journalArticle

Open Access

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

Propagation direction of geodesic acoustic modes driven by drift wave turbulence

Sasaki, M., Itoh, K., Kobayashi, T., Kasuya, N., Fujisawa, A. & Itoh, S. I., Oct 3 2018, In : Nuclear Fusion. 58, 11, 112005.

Research output: Contribution to journalArticle

4 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)

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 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

18 Citations (Scopus)
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)

On detection of a global mode structure in experiments by use of turbulence diagnostic simulator

Kasuya, N., Nishimura, S., Yagi, M., Itoh, K. & Itoh, S. I., 2011, In : Plasma and Fusion Research. 6, 2011, 1403002.

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)

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)

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)
Open Access

Observation of nonlinear coupling in azimuthal wave number space in a cylindrical magnetized plasma

Kobayashi, T., Inagaki, S., Arakawa, H., Oldenburger, S., Sasaki, M., Nagashima, Y., Yamada, T., Sugita, S., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., 2011, 38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts. p. 676-679 4 p. (38th EPS Conference on Plasma Physics 2011, EPS 2011 - Europhysics Conference Abstracts; vol. 35 1).

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

Observation of nonlinear coupling between low frequency coherent modes and background turbulence in LMD-U

Kobayashi, T., Inagaki, S., Arakawa, H., Oldenbürger, S., Sasaki, M., Nagashima, Y., Yamada, T., Sugita, S., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Jan 1 2011, In : Plasma and Fusion Research. 6, 2401082.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Observation of nonlinear coupling between low frequency coherent modes and background turbulence in LMD-U

Kobayashi, T., Inagaki, S., Arakawa, H., Oldenbürger, S., Nagashima, M. S., Yamada, T., Sugita, S., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Dec 1 2011, In : Plasma and Fusion Research. 6, 1 SPECIAL ISSUE, 2403082.

Research output: Contribution to journalArticle

Observation of long-distance radial correlation in toroidal plasma turbulence

Inagaki, S., Tokuzawa, T., Itoh, K., Ida, K., Itoh, S. I., Tamura, N., Sakakibara, S., Kasuya, N., Fujisawa, A., Kubo, S., Shimozuma, T., Ido, T., Nishimura, S., Arakawa, H., Kobayashi, T., Tanaka, K., Nagayama, Y., Kawahata, K., Sudo, S., Yamada, H. & 1 others, Komori, A., Sep 7 2011, In : Physical review letters. 107, 11, 115001.

Research output: Contribution to journalArticle

57 Citations (Scopus)

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)

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 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

Non-Gaussian properties of global momentum and particle fluxes in a cylindrical laboratory plasma

Nagashima, Y., Itoh, S. I., Inagaki, S., Arakawa, H., Kasuya, N., Fujisawa, A., Kamataki, K., Yamada, T., Shinohara, S., Oldenbürger, S., Yagi, M., Takase, Y., Diamond, P. H. & Itoh, K., Jul 2011, In : Physics of Plasmas. 18, 7, 070701.

Research output: Contribution to journalArticle

14 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)

Method for Estimating the Wavenumber of Standing Waves Using Three Langmuir Probes

Kobayashi, T., Nagashima, Y., Inagaki, S., Arakawa, H., Sasaki, M., Yamada, T., Yagi, M., Kasuya, N., Fujisawa, A., Itoh, S. I. & Itoh, K., Jun 10 2011, In : Plasma and Fusion Research. 6, 2011, 1401050.

Research output: Contribution to journalArticle

1 Citation (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)

Long range temperature fluctuation in LHD

Inagaki, S., Tokuzawa, T., Itoh, K., Ida, K., Itoh, S. I., Tamura, N., Sakakibara, S., Kasuya, N., Fujisawa, A., Kubo, S., Shimozuma, T., Ido, T., Nishimura, S., Arakawa, H., Kobayashi, T., Yagi, M., Tanaka, K., Nagayama, Y., Kawahata, K., Sudo, S. & 2 others, Yamada, H. & Komori, A., 2011, In : Plasma and Fusion Research. 6, 2011, 1402017.

Research output: Contribution to journalArticle

9 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)

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

3 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)

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)

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

39 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)

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)

Heavy ion beam probe measurement in turbulence diagnostic simulator

Kasuya, N., Nishimura, S., Yagi, M., Itoh, K. & Itoh, S. I., Jun 2011, In : Plasma Science and Technology. 13, 3, p. 326-331 6 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
Open Access
1 Citation (Scopus)

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