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  • Takeshi Ido
2019

Erratum: Impact of a resonant magnetic perturbation field on impurity radiation, divertor footprint, and core plasma transport in attached and detached plasmas in the Large Helical Device (Nuclear Fusion (2019) 59 (096009) DOI: 10.1088/1741-4326/ab26e6)

Kobayashi, M., Seki, R., Masuzaki, S., Morita, S., Zhang, H. M., Narushima, Y., Tanaka, H., Tanaka, K., Tokuzawa, T., Yokoyama, M., Ido, T. & Yamada, I., Aug 23 2019, In : Nuclear Fusion. 59, 10, 109601.

Research output: Contribution to journalComment/debate

Open Access

Simulation of energetic particle driven geodesic acoustic modes and the energy channeling in the Large Helical Device plasmas

Wang, H., Todo, Y., Oasakabe, M., Ido, T. & Suzuki, Y., Aug 5 2019, In : Nuclear Fusion. 59, 9, 096041.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2018

Abrupt excitation of energetic-particle-driven geodesic acoustic mode in the large helical device

Ido, T., 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., 020002. (AIP Conference Proceedings; vol. 1993).

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

Open Access
1 Citation (Scopus)

Chirping and Sudden Excitation of Energetic-Particle-Driven Geodesic Acoustic Modes in a Large Helical Device Experiment

Wang, H., Todo, Y., Ido, T. & Suzuki, Y., Apr 27 2018, In : Physical Review Letters. 120, 17, 175001.

Research output: Contribution to journalArticle

10 Citations (Scopus)

Core plasma confinement during detachment transition with RMP application in LHD

the LHD Experimental Group, Dec 2018, In : Nuclear Materials and Energy. 17, p. 137-141 5 p.

Research output: Contribution to journalArticle

Open Access
2 Citations (Scopus)

Energy confinement of hydrogen and deuterium electron-root plasmas in the Large Helical Device

Warmer, F., Takahashi, H., Tanaka, K., Yoshimura, Y., Beidler, C. D., Peterson, B., Igami, H., Ido, T., Seki, R., Nakata, M., Yokoyama, M., Akiyama, T., Funaba, H., Ida, K., Kubo, S., Shimizu, A., Shimozuma, T., Tokuzawa, T., Tsujimura, T. I., Yamada, H. & 6 others, Yamada, I., Yasuhara, R., Yoshinuma, M., Yoshimura, S., Morisaki, T. & Osakabe, M., Aug 22 2018, In : Nuclear Fusion. 58, 10, 106025.

Research output: Contribution to journalArticle

Open Access
7 Citations (Scopus)

Evaluation of measurement signal of heavy ion beam probe of energetic-particle driven geodesic acoustic modes

Sasaki, M., Itoh, K., Ido, T., Shimizu, A., Kobayashi, T., Arakawa, H., Kasuya, N., Fujisawa, A. & Itoh, S. I., Jan 1 2018, In : Plasma and Fusion Research. 13, 3403040.

Research output: Contribution to journalArticle

Open Access

Excitation of helically-trapped-energetic-ion driven resistive interchange modes with intense deuterium beam injection and enhanced effect on beam ions/bulk plasmas of LHD

Bando, T., Ohdachi, S., Isobe, M., Suzuki, Y., Toi, K., Nagaoka, K., Takahashi, H., Seki, R., Du, X. D., Ogawa, K., Ido, T., Shimizu, A. & Ozaki, T., Jun 29 2018, In : Nuclear Fusion. 58, 8, 082025.

Research output: Contribution to journalArticle

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., Inagaki, S., Fujisawa, A., Itoh, S. I. & Itoh, K., Jan 26 2018, In : Physical Review Letters. 120, 4, 045002.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Realization of high T i plasmas and confinement characteristics of ITB plasmas in the LHD deuterium experiments

Takahashi, H., Nagaoka, K., Mukai, K., Yokoyama, M., Murakami, S., Ohdachi, S., Bando, T., Narushima, Y., Nakano, H., Osakabe, M., Ida, K., Yoshinuma, M., Seki, R., Yamaguchi, H., Tanaka, K., Nakata, M., Warmer, F., Oishi, T., Goto, M., Morita, S. & 12 others, Tsujimura, T. I., Kubo, S., Kobayashi, T., Yamada, I., Suzuki, C., Emoto, M., Ido, T., Shimizu, A., Tokuzawa, T., Nagasaki, K., Morisaki, T. & Takeiri, Y., Aug 29 2018, In : Nuclear Fusion. 58, 10, 106028.

Research output: Contribution to journalArticle

12 Citations (Scopus)

The 7th Asia-Pacific Transport Working Group (APTWG) meeting

Ida, K., Kong, D. F., Fujita, T., Ido, T., Ko, W. H. & Maeyama, S., Jan 2018, In : Nuclear Fusion. 58, 1, 017001.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2017

Extended capability of the integrated transport analysis suite, TASK3D-a, for LHD experiment

Yokoyama, M., Seki, R., Suzuki, C., Sato, M., Emoto, M., Murakami, S., Osakabe, M., Tsujimura, T. I., Yoshimura, Y., Ido, T., Ogawa, K., Satake, S., Suzuki, Y., Goto, T., Ida, K., Pablant, N., Gates, D., Warmer, F. & Vincenzi, P., Sep 18 2017, In : Nuclear Fusion. 57, 12, 126016.

Research output: Contribution to journalArticle

12 Citations (Scopus)

Extension of operational regime in high-temperature plasmas and effect of ECRH on ion thermal transport in the LHD

Takahashi, H., Nagaoka, K., Murakami, S., Osakabe, M., Nakano, H., Ida, K., Tsujimura, T. I., Kubo, S., Kobayashi, T., Tanaka, K., Seki, R., Takeiri, Y., Yokoyama, M., Maeta, S., Nakata, M., Yoshinuma, M., Yamada, I., Yasuhara, R., Ido, T., Shimizu, A. & 22 others, Tsuchiya, H., Tokuzawa, T., Goto, M., Oishi, T., Morita, S., Suzuki, C., Emoto, M., Tsumori, K., Ikeda, K., Kisaki, M., Shimozuma, T., Yoshimura, Y., Igami, H., Makino, R., Seki, T., Kasahara, H., Saito, K., Kamio, S., Nagasaki, K., Mutoh, T., Kaneko, O. & Morisaki, T., Jul 4 2017, In : Nuclear Fusion. 57, 8, 086029.

Research output: Contribution to journalArticle

10 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

41 Citations (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. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S., Ida, K. & Hoshino, K., Mar 10 2017, In : Nuclear Fusion. 57, 7, 072005.

Research output: Contribution to journalArticle

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

Research output: Contribution to journalArticle

2 Citations (Scopus)

Suppression of Trapped Energetic Ions Driven Resistive Interchange Modes with Electron Cyclotron Heating in a Helical Plasma

Du, X. D., Toi, K., Ohdachi, S., Watanabe, K. Y., Takahashi, H., Yoshimura, Y., Osakabe, M., Seki, R., Nicolas, T., Tsuchiya, H., Nagaoka, K., Ogawa, K., Tanaka, K., Isobe, M., Yokoyama, M., Yoshinuma, M., Kubo, S., Sakakibara, S., Bando, T., Ido, T. & 3 others, Ozaki, T., Suzuki, Y. & Takemura, Y., Mar 20 2017, In : Physical Review Letters. 118, 12, 125001.

Research output: Contribution to journalArticle

10 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. I., Miura, Y., Nagashima, Y., Fujisawa, A., Inagaki, S. & Ida, K., Dec 1 2017, In : Scientific reports. 7, 1, 14971.

Research output: Contribution to journalArticle

11 Citations (Scopus)
2016

2D spatial profile measurements of potential fluctuation with heavy ion beam probe on the Large Helical Device

Shimizu, A., Ido, T., Nishiura, M., Kato, S., Ogawa, K., Takahashi, H., Igami, H., Yoshimura, Y., Kubo, S. & Shimozuma, T., Nov 1 2016, In : Review of Scientific Instruments. 87, 11, 11E731.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Development of 2D potential profile measurements using the heavy ion beam probe on the large helical device

Lhd Experiment Group, Jan 1 2016, In : Plasma and Fusion Research. 11, 1, 2402123.

Research output: Contribution to journalArticle

Open Access
2 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

12 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)

Nonlinear Excitation of Subcritical Instabilities in a Toroidal Plasma

Lesur, M., Itoh, K., Ido, T., Osakabe, M., Ogawa, K., Shimizu, A., Sasaki, M., Ida, K., Inagaki, S. & Itoh, S. I., Jan 8 2016, In : Physical Review Letters. 116, 1, e015003.

Research output: Contribution to journalArticle

19 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 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)

Resistive interchange mode destabilized by helically trapped energetic ions and its effects on energetic ions and bulk plasma in a helical plasma

Du, X. D., Toi, K., Ohdachi, S., Osakabe, M., Ido, T., Tanaka, K., Yokoyama, M., Yoshinuma, M., Ogawa, K., Watanabe, K. Y., Akiyama, T., Isobe, M., Nagaoka, K., Ozaki, T., Sakakibara, S., Seki, R., Shimizu, A., Suzuki, Y. & Tsuchiya, H., Nov 25 2016, In : Nuclear Fusion. 56, 1, 016002.

Research output: Contribution to journalArticle

16 Citations (Scopus)

Strong Destabilization of Stable Modes with a Half-Frequency Associated with Chirping Geodesic Acoustic Modes in the Large Helical Device

Ido, T., Itoh, K., Osakabe, M., Lesur, M., Shimizu, A., Ogawa, K., Toi, K., Nishiura, M., Kato, S., Sasaki, M., Ida, K., Inagaki, S. & Itoh, S. I., Jan 8 2016, In : Physical Review Letters. 116, 1, 015002.

Research output: Contribution to journalArticle

23 Citations (Scopus)

Transition from chirping to steady NBI-driven Alfvén modes caused by magnetic configuration variations in the TJ-II stellarator

Melnikov, A. V., Eliseev, L. G., Ascasíbar, E., Cappa, A., Castejón, F., Hidalgo, C., Ido, T., Jiménez, J. A., Kozachek, A. S., Krupnik, L. I., Liniers, M., Lysenko, S. E., Nagaoka, K., De Pablos, J. L., Shimizu, A., Sharapov, S. E., Ufimtsev, M. V. & Yamamoto, S., Jun 3 2016, In : Nuclear Fusion. 56, 7, 076001.

Research output: Contribution to journalArticle

13 Citations (Scopus)