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Research Output 1995 2019

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Article
2019
1 Citation (Scopus)
plasma turbulence
method of moments
cylindrical plasmas
tomography
moments

Comparison of conditional average using threshold and template methods for quasi-periodic phenomena in plasmas

ASDEX Upgrade Team, Jan 1 2019, In : Plasma and Fusion Research. 14, 1402114.

Research output: Contribution to journalArticle

Open Access
waveforms
templates
thresholds
uniqueness
clocks

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

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

Research output: Contribution to journalArticle

cylindrical plasmas
turbulence
vorticity
oscillations
cycles

Fourier-rectangular function analysis for cylindrical plasma images

Yamasaki, K., Fujisawa, A., Nagashima, Y., Moon, C., Inagaki, S., Kasuya, N., Kosuga, Y., Sasaki, M. & Yamada, T., Jul 28 2019, In : Journal of Applied Physics. 126, 4, 043304.

Research output: Contribution to journalArticle

cylindrical plasmas
Fourier series
Plasmas
Imaging techniques
Tomography
1 Citation (Scopus)

Interpreting observations of ion cyclotron emission from large helical device plasmas with beam-injected ion populations

Reman, B. C. G., Dendy, R. O., Akiyama, T., Chapman, S. C., Cook, J. W. S., Igami, H., Shigeru, I., Saito, K. & Yun, G. S., Jul 19 2019, In : Nuclear Fusion. 59, 9, 096013.

Research output: Contribution to journalArticle

Open Access
cyclotrons
ion beams
ions
beam injection
neutral beams

Ion temperature measurement by laser-induced fluorescence spectroscopy in panta

Arakawa, H., Shigeru, I., 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

Fluorescence spectroscopy
Temperature measurement
Plasma turbulence
Helicons
Lasers

Observation of a beam-driven low-frequency mode in Heliotron J

Zang, L. G., Yamamoto, S., Spong, D. A., Nagasaki, K., Ohshima, S., Kobayashi, S., Minami, T., Lu, X. X., Nishino, N., Kado, S., Adulsiriswad, P., Okada, H., Kenmochi, N., Shigeru, I., Zhu, J. X., Weir, G. M., Mizuuchi, T., Konoshima, S., Ishizawa, A., Yu, D. L. & 8 others, Shi, Z. B., Liu, Y., Yan, L. W., Li, J. Q., Yang, Q. W., Xu, M., Duan, X. R. & Liu, Y., Mar 14 2019, In : Nuclear Fusion. 59, 5, 056001.

Research output: Contribution to journalArticle

low frequencies
electromagnetism
ions
stellarators
neutral beams

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

Kin, F., fujisawa, A., Itoh, K., Kosuga, Y., Sasaki, M., Shigeru, I., 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

flux (rate)
cylindrical plasmas
normal density functions
ballistics
turbulence

Parallel flow driven instability due to toroidal return flow in high-confinement mode plasmas

Sasaki, M., Itoh, K., Kosuga, Y., Dong, J. Q., Shigeru, I., Kobayashi, T., Cheng, J., Zhao, K. J. & Itoh, S. I., May 20 2019, In : Nuclear Fusion. 59, 6, 066039.

Research output: Contribution to journalArticle

parallel flow
destabilization
shear flow
stabilization
turbulence

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

Arakawa, H., Sasaki, M., Shigeru, I., 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
vortices
solitary waves
life (durability)
flux (rate)
damping
2018

Density dependence of transient electron thermal transport property in LHD

Experiment Group, L. H. D., Kobayashi, T., Ida, K., Tsujimura, T., Shigeru, I., Tokuzawa, T., Tsuchiya, H., Tamura, N., Igami, H., Yoshimura, Y., Itoh, S. I. & Itoh, K., Oct 29 2018, In : Nuclear Fusion. 58, 12, 126031.

Research output: Contribution to journalArticle

transport properties
hysteresis
electrons
heating
estimates
1 Citation (Scopus)

Determination of spatiotemporal structure of fluctuations by statistical averaging method

Kawachi, Y., Shigeru, I., Tomita, K., Yamasaki, K., Kin, F., Kosuga, Y., Sasaki, M., Nagashima, Y., Kasuya, N., Hasamada, K., Zhang, B. & fujisawa, A., Jan 1 2018, In : Plasma and Fusion Research. 13, 3401105.

Research output: Contribution to journalArticle

Open Access
wave fronts
pattern recognition
profiles
5 Citations (Scopus)

Extraction of nonlinear waveform in turbulent plasma

Kin, F., Itoh, K., fujisawa, A., Kosuga, Y., Sasaki, M., Yamada, T., Shigeru, I., Itoh, S., 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

waveforms
envelopes
harmonics
cylindrical plasmas
solitary waves

Microwave frequency comb Doppler reflectometer applying fast digital data acquisition system in LHD

Tokuzawa, T., Tsuchiya, H., Tsujimura, T., Emoto, M., Nakanishi, H., Shigeru, I., Ida, K., Yamada, H., Ejiri, A., Watanabe, K. Y., Oguri, K., Akiyama, T., Tanaka, K. & Yamada, I., Oct 1 2018, In : Review of Scientific Instruments. 89, 10, 10H118.

Research output: Contribution to journalArticle

digital data
reflectometers
Reflectometers
Microwave frequencies
microwave frequencies
7 Citations (Scopus)

Quantification of Turbulent Driving Forces for the Geodesic Acoustic Mode in the JFT-2M Tokamak

Kobayashi, T., Sasaki, M., Ido, T., Kamiya, K., Miura, Y., Nagashima, Y., Ida, K., Shigeru, I., fujisawa, A., Itoh, S. & Itoh, K., Jan 26 2018, In : Physical Review Letters. 120, 4, 045002.

Research output: Contribution to journalArticle

acoustics
Reynolds stress
shearing
kinetic energy
damping
1 Citation (Scopus)

Three-dimensional structure of the streamer in linear plasmas

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

Research output: Contribution to journalArticle

axial modes
carrier waves
interactions
3 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

neutral particles
inhomogeneity
turbulence
profiles
simulation
2017
5 Citations (Scopus)

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

Kobayashi, T., Ida, K., Shigeru, I., 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. & Itoh, K., May 17 2017, In : Nuclear Fusion. 57, 7, 076013.

Research output: Contribution to journalArticle

transport properties
harmonics
heat
propagation
electron cyclotron resonance
2 Citations (Scopus)

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

Dupertuis, N., Shigeru, I., Nagashima, Y., Kosuga, Y., Kin, F., Kobayashi, T., Kasuya, N., Sasaki, M., fujisawa, A., Tran, M. Q., Itoh, S. & Itoh, K., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201008.

Research output: Contribution to journalArticle

parallel flow
radii
plasma jets
floating
spectrum analysis
2 Citations (Scopus)

Distorted magnetic island formation during slowing down to mode locking in helical plasmas

The LHD Experiment Group, May 12 2017, In : Nuclear Fusion. 57, 7, 076003.

Research output: Contribution to journalArticle

magnetic islands
locking
occurrences
31 Citations (Scopus)

Extension of the operational regime of the LHD towards a deuterium experiment

Takeiri, Y., Morisaki, T., Osakabe, M., Yokoyama, M., Sakakibara, S., Takahashi, H., Nakamura, Y., Oishi, T., Motojima, G., Murakami, S., Ito, K., Ejiri, A., Imagawa, S., Inagaki, S., Isobe, M., Kubo, S., Masamune, S., Mito, T., Murakami, I., Nagaoka, K. & 167 others, Nagasaki, K., Nishimura, K., Sakamoto, M., Sakamoto, R., Shimozuma, T., Shinohara, K., Sugama, H., Watanabe, K. Y., Ahn, J. W., Akata, N., Akiyama, T., Ashikawa, N., Baldzuhn, J., Bando, T., Bernard, E., Castejón, F., Chikaraishi, H., Emoto, M., Evans, T., Ezumi, N., Fujii, K., Funaba, H., Goto, M., Goto, T., Gradic, D., Gunsu, Y., Hamaguchi, S., Hasegawa, H., Hayashi, Y., Hidalgo, C., Higashiguchi, T., Hirooka, Y., Hishinuma, Y., Horiuchi, R., Ichiguchi, K., Ida, K., Ido, T., Igami, H., Ikeda, K., Ishiguro, S., Ishizaki, R., Ishizawa, A., Ito, A., Ito, Y., Iwamoto, A., Kamio, S., Kamiya, K., Kaneko, O., Kanno, R., Kasahara, H., Kato, D., Kato, T., Kawahata, K., Kawamura, G., Kisaki, M., Kitajima, S., Ko, W. H., Kobayashi, M., Kobayashi, S., Kobayashi, T., Koga, K., Kohyama, A., Kumazawa, R., Lee, J. H., López-Bruna, D., Makino, R., Masuzaki, S., Matsumoto, Y., Matsuura, H., Mitarai, O., Miura, H., Miyazawa, J., Mizuguchi, N., Moon, C., Morita, S., Moritaka, T., Mukai, K., Muroga, T., Muto, S., Mutoh, T., Nagasaka, T., Nagayama, Y., Nakajima, N., Nakamura, Y., Nakanishi, H., Nakano, H., Nakata, M., Narushima, Y., Nishijima, D., Nishimura, A., Nishimura, S., Nishitani, T., Nishiura, M., Nobuta, Y., Noto, H., Nunami, M., Obana, T., Ogawa, K., Ohdachi, S., Ohno, M., Ohno, N., Ohtani, H., Okamoto, M., Oya, Y., Ozaki, T., Peterson, B. J., Preynas, M., Sagara, S., Saito, K., Sakaue, H., Sanpei, A., Satake, S., Sato, M., Saze, T., Schmitz, O., Seki, R., Seki, T., Sharov, I., Shimizu, A., Shiratani, M., Shoji, M., Skinner, C., Soga, R., Stange, T., Suzuki, C., Suzuki, Y., Takada, S., Takahata, K., Takayama, A., Takayama, S., Takemura, Y., Takeuchi, Y., Tamura, H., Tamura, N., Tanaka, H., Tanaka, K., Tanaka, M., Tanaka, T., Tanaka, Y., Toda, S., Todo, Y., Toi, K., Toida, M., Tokitani, M., Tokuzawa, T., Tsuchiya, H., Tsujimura, T., Tsumori, K., Usami, S., Velasco, J. L., Wang, H., Watanabe, T. H., Watanabe, T., Yagi, J., Yajima, M., Yamada, H., Yamada, I., Yamagishi, O., Yamaguchi, N., Yamamoto, Y., Yanagi, N., Yasuhara, R., Yatsuka, E., Yoshida, N., Yoshinuma, M., Yoshimura, S. & Yoshimura, Y., Aug 21 2017, In : Nuclear Fusion. 57, 10, 102023.

Research output: Contribution to journalArticle

deuterium
ion temperature
impurities
heating
beam injection
2 Citations (Scopus)

Fast algorithm for tomographic reconstruction for plasma emission

Yamasaki, K., fujisawa, A., Nagashima, Y. & Shigeru, I., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201045.

Research output: Contribution to journalArticle

tomography
cylindrical plasmas
matrices
shot
iteration
4 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

toroidal plasmas
hysteresis
heating
plasma loss
harmonics
3 Citations (Scopus)

Measurement of electron density and temperature using laser Thomson scattering in PANTA

Tomita, K., Sato, Y., Bolouki, N., Shiraishi, T., Uchino, K., Miwa, Y., Kobayashi, T. & Shigeru, I., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401018.

Research output: Contribution to journalArticle

Thomson scattering
assembly
turbulence
electron energy
lasers
3 Citations (Scopus)

Mesoscale electric fluctuations interacting with zonal flows, magnetic fluctuations and turbulence

HL-2A team, Jun 5 2017, In : Nuclear Fusion. 57, 7, 076036.

Research output: Contribution to journalArticle

turbulence
low frequencies
synchronism
acoustics
entrainment
1 Citation (Scopus)

Method for estimating harmonic frequency dependence of diffusion coefficient and convective velocity in heat pulse propagation experiment

Kobayashi, T., Itoh, K., Ida, K., Shigeru, I. & Itoh, S., Jul 15 2017, In : journal of the physical society of japan. 86, 7, 074501.

Research output: Contribution to journalArticle

estimating
diffusion coefficient
harmonics
heat
dummies
1 Citation (Scopus)

Model validation for radial electric field excitation during L-H transition in JFT-2M tokamak

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S., Miura, Y., Nagashima, Y., fujisawa, A., Shigeru, I., Ida, K. & Hoshino, K., Mar 10 2017, In : Nuclear Fusion. 57, 7, 072005.

Research output: Contribution to journalArticle

electric fields
excitation
convection currents
Reynolds stress
Poisson equation
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., Shigeru, I., fujisawa, A., Nagashima, Y., Itoh, K. & Itoh, S., Jan 1 2017, In : Plasma and Fusion Research. 12, 1401042.

Research output: Contribution to journalArticle

shear
gradients
energy sources
free energy

Nonlinear coupling of driftwaves and high frequency fluctuation on PANTA

Hasamada, K., Kosuga, Y., Kin, F., Shigeru, I., Nagashima, Y., Kobayashi, T., Sasaki, M., Kasuya, N., Yamasaki, K., Itoh, S., Itoh, K. & fujisawa, A., Jan 1 2017, In : Plasma and Fusion Research. 12, 1201034.

Research output: Contribution to journalArticle

low frequencies
2 Citations (Scopus)

Observation of subcritical geodesic acoustic mode excitation in the large helical device

Ido, T., Itoh, K., Lesur, M., Osakabe, M., Shimizu, A., Ogawa, K., Nishiura, M., Yamada, I., Yasuhara, R., Kosuga, Y., Sasaki, M., Ida, K., Shigeru, I. & Itoh, S., Apr 19 2017, In : Nuclear Fusion. 57, 7, 072009.

Research output: Contribution to journalArticle

acoustics
excitation
thresholds
seeds
actuators
11 Citations (Scopus)

Overview of recent HL-2A experiments

Duan, X. R., Liu, Y., Xu, M., Yan, L. W., Xu, Y., Song, X. M., Dong, J. Q., Ding, X. T., Chen, L. Y., Lu, B., Liu, D. Q., Rao, J., Xuan, W. M., Yang, Q. W., Zheng, G. Y., Zou, X. L., Liu, Y. Q., Zhong, W. L., Zhao, K. J., Ji, X. Q. & 45 others, Mao, W. C., Wang, Q. M., Li, Q., Cao, J. Y., Cao, Z., Lei, G. J., Zhang, J. H., Li, X. D., Bai, X. Y., Cheng, J., Chen, W., Cui, Z. Y., Delpech, L., Diamond, P. H., Dong, Y. B., Ekedahl, A., Hoang, T., Huang, Y., Ida, K., Itoh, K., Itoh, S., Isobe, M., Shigeru, I., Mazon, D., Morita, S., Peysson, Y., Shi, Z. B., Wang, X. G., Xiao, G. L., Yu, D. L., Yu, L. M., Zhang, Y. P., Zhou, Y., Cui, C. H., Feng, B. B., Huang, M., Li, Y. G., Li, B., Li, G. S., Li, H. J., Li, Q., Peng, J. F., Wang, Y. Q., Yuan, B. S. & Liu, Y., Jun 28 2017, In : Nuclear Fusion. 57, 10, 102013.

Research output: Contribution to journalArticle

beam injection
molecular beams
perturbation
impurities
reflectometers
7 Citations (Scopus)

Phenomenological classification of turbulence states in linear magnetized plasma PANTA

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

Research output: Contribution to journalArticle

turbulence
field strength
waveforms
occurrences
magnetic fields
1 Citation (Scopus)

Response of plasma toroidal flow to the transition between nested and stochastic magnetic field in LHD

The LHD Experiment Group, May 31 2017, In : Nuclear Fusion. 57, 7, 076032.

Research output: Contribution to journalArticle

toroidal plasmas
shear
magnetic fields
beam injection
healing
4 Citations (Scopus)

Temporal-spatial structures of plasmas flows and turbulence around tearing mode islands in the edge tokamak plasmas

Zhao, K. J., Nagashima, Y., Li, F. M., Shi, Y., Diamond, P. H., Dong, J. Q., Itoh, K., Itoh, S., Zhuang, G., Liu, H., Chen, Z. P., Cheng, J., Nie, L., Ding, Y. H., Hu, Q. M., Chen, Z. Y., Rao, B., Cheng, Z. F., Gao, L., Zhang, X. Q. & 12 others, Yang, Z. J., Wang, N. C., Wang, L., Jin, W., Yan, W., Xu, J. Q., Wu, Y. F., Yan, L. W., fujisawa, A., Shigeru, I., Kosuga, Y. & Sasaki, M., Sep 12 2017, In : Nuclear Fusion. 57, 12, 126006.

Research output: Contribution to journalArticle

plasma turbulence
magnetohydrodynamic flow
magnetic islands
electrostatic probes
quadrupoles
8 Citations (Scopus)

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., Shigeru, I. & Itoh, S., Nov 1 2017, In : Physics of Plasmas. 24, 11, 112103.

Research output: Contribution to journalArticle

helical flow
parallel flow
shear
gradients
turbulence
5 Citations (Scopus)

Transport hysteresis of core plasma, isotope effect, and H-mode physics

Itoh, S., Itoh, K. & Shigeru, I., Feb 1 2017, In : Nuclear Fusion. 57, 2, 022003.

Research output: Contribution to journalArticle

plasma control
isotope effect
hysteresis
physics
gradients
7 Citations (Scopus)

Turbulent transport reduction induced by transition on radial electric field shear and curvature through amplitude and cross-phase in torus plasma

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S., Miura, Y., Nagashima, Y., fujisawa, A., Shigeru, I. & Ida, K., Dec 1 2017, In : Scientific reports. 7, 1, 14971.

Research output: Contribution to journalArticle

turbulence
curvature
shear
flux (rate)
electric fields
2016
10 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

tongue
ions
Boltzmann distribution
symmetry
routes
2 Citations (Scopus)

A calibration of setting of mach probes by observing GAM oscillations

Itoh, K., Zhao, K., Dong, J., Itoh, S., fujisawa, A., Shigeru, I., 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

interference
Mach number
perturbation
oscillations
probes
37 Citations (Scopus)

A Concept of Cross-Ferroic Plasma Turbulence

Shigeru, I., Kobayashi, T., Kosuga, Y., Itoh, S., 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

plasma turbulence
turbulence
scalars
nonequilibrium plasmas
gradients
5 Citations (Scopus)

Approaches to hysteresis of transport relations in toroidal plasmas

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

Research output: Contribution to journalArticle

toroidal plasmas
hysteresis
turbulence
modulation
heat
2 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

turbulence
momentum
energetic particles
China
topology
10 Citations (Scopus)

Bifurcation physics of magnetic islands and stochasticity explored by heat pulse propagation studies in toroidal plasmas

Ida, K., Kobayashi, T., Yoshinuma, M., Suzuki, Y., Narushima, Y., Evans, T. E., Ohdachi, S., Tsuchiya, H., Shigeru, I. & Itoh, K., Jul 29 2016, In : Nuclear Fusion. 56, 9, 092001.

Research output: Contribution to journalArticle

magnetic islands
toroidal plasmas
heat
physics
propagation
2 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

end plates
flux (rate)
turbulence
interactions
1 Citation (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

microwave reflectometers
Plasma devices
Reflectometers
Interchanges
Microwave
13 Citations (Scopus)

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

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

Research output: Contribution to journalArticle

vortices
turbulence
perturbation
interactions
shear flow

Effects of radial electric field on suppression of electron-temperature-gradient mode through multiscale nonlinear interactions

Moon, C., Kaneko, T., Itoh, K., Ida, K., Kobayashi, T., Shigeru, I., Itoh, S. & Hatakeyama, R., Aug 31 2016, In : Plasma Physics and Controlled Fusion. 58, 10, 105007.

Research output: Contribution to journalArticle

Electron temperature
Beam plasma interactions
Thermal gradients
temperature gradients
Turbulence
11 Citations (Scopus)

Experimental Identification of Electric Field Excitation Mechanisms in a Structural Transition of Tokamak Plasmas

Kobayashi, T., Itoh, K., Ido, T., Kamiya, K., Itoh, S. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S., Ida, K. & Hoshino, K., Aug 4 2016, In : Scientific reports. 6, 30720.

Research output: Contribution to journalArticle

electric fields
excitation
turbulence
physics
toroidal plasmas
1 Citation (Scopus)

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

Kanzaki, T., Nagashima, Y., Shigeru, I., Kin, F., Miwa, Y., Sasaki, M., Yamada, T., fujisawa, A., Kobayashi, T., Kasuya, N., Kosuga, Y., Itoh, S. & Itoh, K., Jan 1 2016, In : Plasma and Fusion Research. 11, 1201091.

Research output: Contribution to journalArticle

end plates
Reynolds stress
probes
signal to noise ratios
5 Citations (Scopus)

Nonlinear excitation of subcritical fast ion-driven modes

Lesur, M., Itoh, K., Ido, T., Itoh, S., Kosuga, Y., Sasaki, M., Shigeru, I., Osakabe, M., Ogawa, K., Shimizu, A. & Ida, K., Apr 13 2016, In : Nuclear Fusion. 56, 5, 056009.

Research output: Contribution to journalArticle

excitation
seeds
ions
nonlinearity
kinetics