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Author

  • Yusuke Kosuga
Article

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 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)

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)

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 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)

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)

Blob-hole structures as non-axisymmetric equilibrium solutions for potential vorticity conserving fluids

Kosuga, Y. & Diamond, P. H., 2013, In : Plasma and Fusion Research. 8, 2403080.

Research output: Contribution to journalArticle

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Conversion of poloidal flows into toroidal flows by phase space structures in trapped ion resonance driven turbulence

Kosuga, Y., Itoh, S. I., Diamond, P. H. & Itoh, K., Dec 2013, In : Plasma Physics and Controlled Fusion. 55, 12, 125001.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Density peaking by parallel flow shear driven instability

Kosuga, Y., Itoh, S. I. & Itoh, K., Jan 1 2015, In : Plasma and Fusion Research. 10, 3401024.

Research output: Contribution to journalArticle

27 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., Jan 1 2018, In : Plasma and Fusion Research. 13, 3401105.

Research output: Contribution to journalArticle

Open Access
5 Citations (Scopus)

Drift hole structure and dynamics with turbulence driven flows

Kosuga, Y. & Diamond, P. H., Jul 2012, In : Physics of Plasmas. 19, 7, 072307.

Research output: Contribution to journalArticle

15 Citations (Scopus)

E × B shear pattern formation by radial propagation of heat flux waves

Kosuga, Y., Diamond, P. H., Dif-Pradalier, G. & Gürcan, O. D., May 2014, In : Physics of Plasmas. 21, 5, 055701.

Research output: Contribution to journalArticle

8 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)

Edge temperature gradient as intrinsic rotation drive in alcator C-Mod tokamak plasmas

Rice, J. E., Hughes, J. W., Diamond, P. H., Kosuga, Y., Podpaly, Y. A., Reinke, M. L., Greenwald, M. J., Gürcan, D., Hahm, T. S., Hubbard, A. E., Marmar, E. S., McDevitt, C. J. & Whyte, D. G., May 23 2011, In : Physical review letters. 106, 21, 215001.

Research output: Contribution to journalArticle

76 Citations (Scopus)

Effects of hydrogen isotope in coupling between confinement, wall material and SoL turbulence

Itoh, K., Itoh, S. I., Sasaki, M. & Kosuga, Y., Mar 31 2017, In : Nuclear Fusion. 57, 5, 056031.

Research output: Contribution to journalArticle

6 Citations (Scopus)

Elasticity in drift-wave-zonal-flow turbulence

Guo, Z. B., Diamond, P. H., Kosuga, Y. & Gürcan, Ö. D., Apr 4 2014, In : Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. 89, 4, 041101.

Research output: Contribution to journalArticle

8 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)

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)

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)

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)

Finding the Elusive E×B Staircase in Magnetized Plasmas

Dif-Pradalier, G., Hornung, G., Ghendrih, P., Sarazin, Y., Clairet, F., Vermare, L., Diamond, P. H., Abiteboul, J., Cartier-Michaud, T., Ehrlacher, C., Estève, D., Garbet, X., Grandgirard, V., Gürcan, O. D., Hennequin, P., Kosuga, Y., Latu, G., Maget, P., Morel, P., Norscini, C. & 2 others, Sabot, R. & Storelli, A., Feb 27 2015, In : Physical review letters. 114, 8, 085004.

Research output: Contribution to journalArticle

50 Citations (Scopus)

Flow helicity of wavy plasma turbulence

Kosuga, Y., Sasaki, M. & Guo, Z. B., Feb 1 2020, In : Physics of Plasmas. 27, 2, 022303.

Research output: Contribution to journalArticle

Flux of parallel flow momentum by parallel shear flow driven instability

Kosuga, Y., Itoh, S. I. & Itoh, K., Jan 1 2016, In : Plasma and Fusion Research. 11, 1203018.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Formation of radially elongated flow leading to onset of type-III edge localized modes in toroidal plasmas

Cheng, J., Dong, J. Q., Itoh, K., Itoh, S. I., Yan, L. W., Xu, J. Q., Jiang, M., Huang, Z. H., Zhao, K. J., Shi, Z. B., Zhong, W. L., Inagaki, S., Kobayashi, T., Ida, K., Kosuga, Y., Sasaki, M., Han, M. K., Wang, Z. X., Xu, M. & Xu, Y., 2020, In : Nuclear Fusion. 60, 4, 046021.

Research output: Contribution to journalArticle

How pattern is selected in drift wave turbulence: Role of parallel flow shear

Kosuga, Y., Dec 1 2017, In : Physics of Plasmas. 24, 12, 122305.

Research output: Contribution to journalArticle

6 Citations (Scopus)

How the propagation of heat-flux modulations triggers E×B flow pattern formation

Kosuga, Y., Diamond, P. H. & Gürcan, O. D., Mar 6 2013, In : Physical review letters. 110, 10, 105002.

Research output: Contribution to journalArticle

16 Citations (Scopus)

How turbulence fronts induce plasma spin-up

Kosuga, Y., Itoh, S. I., Diamond, P. H. & Itoh, K., Mar 29 2017, In : Physical Review E. 95, 3, 031203.

Research output: Contribution to journalArticle

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

Research output: Contribution to journalArticle

1 Citation (Scopus)

Ion temperature gradient driven turbulence with strong trapped ion resonance

Kosuga, Y., Itoh, S. I., Diamond, P. H., Itoh, K. & Lesur, M., Oct 1 2014, In : Physics of Plasmas. 21, 10, 102303.

Research output: Contribution to journalArticle

8 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

3 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)

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

Nonlinear current-driven ion-acoustic instability driven by phase-space structures

Lesur, M., Diamond, P. H. & Kosuga, Y., Jul 2014, In : Plasma Physics and Controlled Fusion. 56, 7, 075005.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Nonlinear excitation of subcritical fast ion-driven modes

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

Research output: Contribution to journalArticle

5 Citations (Scopus)
Open Access

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., Inagaki, S. & Itoh, S. I., Apr 19 2017, In : Nuclear Fusion. 57, 7, 072009.

Research output: Contribution to journalArticle

2 Citations (Scopus)

On magnetic signals of a large-scale quasi-electrostatic perturbation

Itoh, K., Itoh, S. I., Ida, K. & Kosuga, Y., Sep 15 2016, In : journal of the physical society of japan. 85, 9, 094504.

Research output: Contribution to journalArticle

5 Citations (Scopus)

On relaxation and transport in gyrokinetic drift wave turbulence with zonal flow

Kosuga, Y. & Diamond, P. H., Dec 2011, In : Physics of Plasmas. 18, 12, 122305.

Research output: Contribution to journalArticle

15 Citations (Scopus)

Onset condition of the subcritical geodesic acoustic mode instability in the presence of energetic-particle-driven geodesic acoustic mode

Itoh, K., Itoh, S., Kosuga, Y., Lesur, M. & Ido, T., May 1 2016, In : Plasma Physics Reports. 42, 5, p. 418-423 6 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)

On the application of cross bispectrum and cross bicoherence

Itoh, S. I., Itoh, K., Nagashima, Y. & Kosuga, Y., Jan 1 2017, In : Plasma and Fusion Research. 12, 1101003.

Research output: Contribution to journalArticle

8 Citations (Scopus)

On the p scaling of intrinsic rotation in C-Mod plasmas with edge transport barriers

Rice, J. E., Hughes, J. W., Diamond, P. H., Cao, N., Chilenski, M. A., Hubbard, A. E., Irby, J. H., Kosuga, Y., Lin, Y., Metcalf, I. W., Reinke, M. L., Tolman, E. A., Victora, M. M., Wolfe, S. M. & Wukitch, S. J., Jul 28 2017, In : Nuclear Fusion. 57, 11, 116004.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Phase-space jets drive transport and anomalous resistivity

Lesur, M., Diamond, P. H. & Kosuga, Y., Nov 1 2014, In : Physics of Plasmas. 21, 11, 112307.

Research output: Contribution to journalArticle

7 Citations (Scopus)

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., 2017, In : Plasma and Fusion Research. 12, 1401019.

Research output: Contribution to journalArticle

9 Citations (Scopus)

Progress on theoretical issues in modelling turbulent transport

Kosuga, Y., Diamond, P. H., Wang, L., Gürcan, Ö. D. & Hahm, T. S., Apr 1 2013, In : Nuclear Fusion. 53, 4, 043008.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Relative dispersion of trapped ion granulations in sheared flows

Kosuga, Y., Itoh, S. I., Diamond, P. H., Itoh, K. & Lesur, M., 2014, In : Plasma and Fusion Research. 9, SPECIALISSUE.2, 3403018.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Role of density modulation in driving nonlinear streamer flows in drift wave turbulence

Kosuga, Y. & Hasamada, K., Oct 1 2018, In : Physics of Plasmas. 25, 10, 100701.

Research output: Contribution to journalArticle

7 Citations (Scopus)