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Author

  • Yusuke Kosuga
2017

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. I., 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., Inagaki, S., Kosuga, Y. & Sasaki, M., Sep 12 2017, In : Nuclear Fusion. 57, 12, 126006.

Research output: Contribution to journalArticle

6 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)

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)

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)

Zonal flow generation in parallel flow shear driven turbulence

Kosuga, Y., Itoh, S. I. & Itoh, K., Mar 1 2017, In : Physics of Plasmas. 24, 3, 032304.

Research output: Contribution to journalArticle

8 Citations (Scopus)
2018

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

9 Citations (Scopus)
2014

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)
2017

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)

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)
2020

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

2014

Turbulence elasticity - A new mechanism for transport barrier dynamics

Guo, Z. B., Diamond, P. H., Kosuga, Y. & Gürcan, Ö. D., Sep 2014, In : Physics of Plasmas. 21, 9, 090702.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Turbulence elasticity: A key concept to a unified paradigm of L→I→H transition

Guo, Z. B., Diamond, P. H., Kosuga, Y. & Gürcan, D., Apr 1 2015, In : Nuclear Fusion. 55, 4, 043022.

Research output: Contribution to journalArticle

1 Citation (Scopus)
2014

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)

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)
2013

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)
2020

Scrape-off layer width set by non-linear streamer flows in drift wave turbulence

Kosuga, Y., Kin, F. & Sasaki, M., Jan 1 2020, (Accepted/In press) In : Contributions to Plasma Physics.

Research output: Contribution to journalArticle

2017

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)
2015

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)
2011

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)
2015

The plasma E × B staircase: Turbulence self-regulation through spontaneous flow patterning

Dif-Pradalier, G., Hornung, G., Ghendrih, P., Clairet, F., Diamond, P. H., Sarazin, Y., Vermare, L., Abiteboul, J., Cartier-Michaud, T., Ehrlacher, C., Estève, D., Garbet, X., Grandgirard, V., Gürcan, D., Hennequin, P., Kosuga, Y., Latu, G., Morel, P., Norscini, C. & Sabot, R., Jan 1 2015.

Research output: Contribution to conferencePaper

1 Citation (Scopus)
2013

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)
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)
2018

Symmetry-breaking of turbulence structure and position identification in toroidal plasmas

Itoh, K., Itoh, S. I., Nagashima, Y., Yamada, T., Kosuga, Y. & Fujisawa, A., 2018, In : Plasma and Fusion Research. 13, 1102113.

Research output: Contribution to journalArticle

Open Access
2014

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)
2015

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)
2017

Role of phase space structures in collisionless drift wave turbulence and impact on transport modeling

Kosuga, Y., Itoh, S. I., Diamond, P. H., Itoh, K. & Lesur, M., Mar 10 2017, In : Nuclear Fusion. 57, 7, 072006.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2019
2018

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)
2012

Drift hole structure and dynamics with turbulence driven flows

Kosuga, Y. & Diamond, P. H., Jul 1 2012, In : Physics of Plasmas. 19, 7, 072307.

Research output: Contribution to journalArticle

14 Citations (Scopus)
2013

Spatio-temporal evolution of the L → H and H → L transitions

Miki, K., Diamond, P. H., Fedorczak, N., Gürcan, Ö. D., Malkov, M., Lee, C., Kosuga, Y., Tynan, G., Xu, G. S., Estrada, T., McDonald, D., Schmitz, L. & Zhao, K. J., Jul 1 2013, In : Nuclear Fusion. 53, 7, 073044.

Research output: Contribution to journalArticle

17 Citations (Scopus)
2018

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

6 Citations (Scopus)
2017

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)
2019

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)
2014

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)

The 3rd Asia-Pacific Transport Working Group (APTWG) Meeting

Jhang, H., Diamond, P. H., Leconte, M., Ida, K., Kwon, J. M., Tamura, N. & Kosuga, Y., Jan 1 2014, In : Nuclear Fusion. 54, 4, 047001.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2017

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)
2015

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

49 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)
2019

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

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

Research output: Contribution to journalArticle

1 Citation (Scopus)
2013

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

Kosuga, Y. & Diamond, P. H., Jan 1 2013, In : Plasma and Fusion Research. 8, 2403080.

Research output: Contribution to journalArticle

2014

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)
2019

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
2017

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

8 Citations (Scopus)
2015

Towards an emerging understanding of non-locality phenomena and non-local transport

Ida, K., Shi, Z., Sun, H. J., Inagaki, S., Kamiya, K., Rice, J. E., Tamura, N., Diamond, P. H., Dif-Pradalier, G., Zou, X. L., Itoh, K., Sugita, S., Gürcan, O. D., Estrada, T., Hidalgo, C., Hahm, T. S., Field, A., Ding, X. T., Sakamoto, Y., Oldenbürger, S. & 9 others, Yoshinuma, M., Kobayashi, T., Jiang, M., Hahn, S. H., Jeon, Y. M., Hong, S. H., Kosuga, Y., Dong, J. & Itoh, S. I., Jan 1 2015, In : Nuclear Fusion. 55, 1, 013022.

Research output: Contribution to journalReview article

62 Citations (Scopus)
2014

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)
2018

Helical flow structures in torus plasmas

Kosuga, Y., 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., 020009. (AIP Conference Proceedings; vol. 1993).

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

2017

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)
2015

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

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)
2017

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)