"Engineering design and manufacturing of the modular coil system for the quasi-axisymmetric stellarator CFQS-T"
Hiroyuki Tanoue, Sho Nakagawa, Kazuki Nagahara, Takanori Murase, Akihiro Shimizu, Kunihiro Ogawa, Hiromi Takahashi, Mamoru Shoji, Shoichi Okamura, Mitsutaka Isobe, Masaki Osakabe, Dapeng Yin, Haifeng Liu, Yuhong Xu
Fusion Engineering and Design, 212, 114853 (2025)
https://doi.org/10.1016/j.fusengdes.2025.114853

"Investigation of modular coil misalignment on magnetic flux surface in the CFQS quasi-axisymmetric stellarator"
Xin Zhang, Akihiro Shimizu, Sho Nakagawa, Yuhong Xu, Takanori Murase, Hiroyuki Tanoue, Kazuki Nagahara, Mamoru Shoji, Zilin Cui, Hiromi Hayashi, Kunihiro Ogawa, Hiromi Takahashi, Mitsutaka Isobe, Shoichi Okamura, Haifeng Liu, Xianqu Wang, Hai Liu, Jun Hu, Jun Cheng, Changjian Tang
Fusion Engineering and Design, 211, 114820 (2025)
https://doi.org/10.1016/j.fusengdes.2025.114820   NIFS repository

"Controlling three-dimensional magnetic island appearance with external current drive in the Chinese first quasi-axisymmetric stellarator"
X. Su, X. Q. Wang, Y. Xu, S. Okamura, A.Shimizu, M. Isobe, J. Cheng, H. F. Liu, J. Huang, X. Zhang, H. Liu, Y. Luo, J. F. Shen, J. Hu and C. J. Tang
Nuclear Fusion, 64, 076023 (2024)
https://doi.org/10.1088/1741-4326/ad4db7   NIFS repository

"Suppression of equilibrium magnetic islands by density profile effect in quasi-axisymmetric stellarator plasmas"
T Fu, X Q Wang, X Su, Y Xu, S Okamura, A Shimizu, M Isobe, J Cheng, H F Liu, J Huang, X Zhang, H Liu and C J Tang
Plasma Physics and Controlled Fusion, 66, 065026 (2024)
https://doi.org/10.1088/1361-6587/ad441b

"Effect of metal impurities on the adsorption energy of cesium and work function of the cesiated Mo (001) surface"
Heng Li, Xin Zhang, Yuhong Xu, Guangjiu Lei, Sanqiu Liu, Katsuyoshi Tsumori, Haruhisa Nakano, Masaki Osakabe, Mitsutaka Isobe, Shoichi Okamura, Akihiro Shimizu, Kunihiro Ogawa, Hiromi Takahashi, Zilin Cui, Jun Hu, Yiqin Zhu, Xiaolong Li, Huaqing Zheng, Xiaoqiao Liu, Shaofei Geng, Xiaochang Chen, Haifeng Liu, Xianqu Wang, Hai Liu, Changjian Tanga, CFQS team
Nuclear Materials and Energy, 38, 101619 (2024)
https://doi.org/10.1016/j.nme.2024.101619   NIFS repository

"Isotope effects on transport characteristics of edge and core plasmas heated by neutral beam injection (NBI) in an inward shifted configuration at the Large Helical Device"
H. Zhou, Y. Xu, M. Kobayashi, A. Shimizu, R. Seki, K. Tanaka, T. Tokuzawa, M. Yoshinuma, Y. Takemura, H. Takahashi, K. Ogawa, J. Cheng, W. Li, D.N. Wu, Y.J. Zhu, Y. Luo, Y.C. Li, J. Huang, X.Q. Wang, H.F. Liu, H. Liu and X. Zhang
Nuclear Fusion, 64, 036023 (2024)
https://doi.org/10.1088/1741-4326/ad22f6   NIFS repository

"Investigation of the magnetic field configuration for magnetic surface measurements in the CFQS quasi-axisymmetric stellarator"
Mamoru SHOJI, Akihiro SHIMIZU, Shigeyoshi KINOSHITA, Shoichi OKAMURA, Yuhong XU and Haifeng LIU
Plasma and Fusion Research, 18, 2405026 (2023)
https://doi.org/10.1585/pfr.18.2405026   NIFS repository

"Effect of discreteness and misalignment on magnetic field and charged particle confinement in CFQS quasi-axisymmetric stellarator"
Guozhen Xiong, Yuhong Xu, Mitsutaka Isobe, Akihiro Shimizu, Kunihiro Ogawa, Shigeyoshi Kinoshita, Haifeng Liu, Xianqu Wang, Jun Cheng, Hai Liu, Jie Huang, Xin Zhang, Yichao Zhang, Dapeng Yin, Anzhu Wang, Shoichi Okamura and Changjian Tang
Plasma Physics and Controlled Fusion, 65, 035020 (2023)
https://doi.org/10.1088/1361-6587/acb5c1   NIFS repository

"Effects of bootstrap current on magnetic configuration in Chinese first quasi-axisymmetric stellarator"
Haifeng Liu, Jian Zhang, Yuhong Xu, Akihiro Shimizu, Wilfred Anthony Cooper, Shoichi Okamura, Mitsutaka Isobe, Xianqu Wang, Jie Huang and Jun Cheng
Nuclear Fusion, 63, 026018 (2023)
https://doi.org/10.1088/1741-4326/acadef   NIFS repository

"Gas puff imaging system for edge plasma fluctuation measurements in large helical device"
M. Kobayashi, S. Ohdachi, Y. Xu, W. Li, A. Shimizu and J. Cheng
Review of Scientific Instruments, 93, 093513 (2022)
https://doi.org/10.1063/5.0100301   NIFS repository

"Simulations of energetic particle driven instabilities in CFQS"
Hao Wang, Yasushi Todo, Jie Huang, Yasuhiro Suzuki, Akihiro Shimizu, Kunihiro Ogawa, Xianqu Wang and Panith Adulsiriswad
Nuclear Fusion, 62, 106010 (2022)
https://doi.org/10.1088/1741-4326/ac843a   NIFS repository

"Prediction of Neutron Emission Rate in Deuterium Neutral Beam Heated CFQS Plasmas Using FIT3D-DD Code"
Ryosuke SEKI, Kunihiro OGAWA, Mitsutaka ISOBE, Sadayoshi MURAKAMI, Hideo NUGA, Akihiro SHIMIZU, Shoichi OKAMURA, Hiromi TAKAHASHI, Tetsutaro OISHI, Shigeyoshi KINOSHITA, Takanori MURASE, Sho NAKAGAWA, Hiroyuki TANOUE, Masaki OSAKABE, Haifeng LIU and Yuhong XU
Plasma and Fusion Research, 17, 2403063 (2022)
https://doi.org/10.1585/pfr.17.2403063   NIFS repository

"Feasibility study of heavy ion beam probe in CFQS quasi-axisymmetric stellarator"
A. Shimizu, M. Isobe, S. Okamura, S. Kinoshita, K. Ogawa, H. Takahashi, T. Oishi, Y. Yoshimura, T. Murase, S. Nakagawa, H. Tanoue, H. Takubo, M. Osakabe, H. Hayashi, S. Kobayashi, H.F. Liu and Y. Xu
Journal of Instrumentation, 17, C06004 (2022)
https://doi.org/10.1088/1748-0221/17/06/C06004   NIFS repository

"Investigation of Capability of Current Control by Electron Cyclotron Waves in the Quasiaxisymmetric Stellarator CFQS"
Yasuo YOSHIMURA, Motonari KANDA, Ryoma YANAI, Akihiro SHIMIZU, Shigeyoshi KINOSHITA, Mitsutaka ISOBE, Shoichi OKAMURA, Kunihiro OGAWA, Hiromi TAKAHASHI, Takanori MURASE, Sho NAKAGAWA, Hiroyuki TANOUE, Haifeng LIU and Yuhong XU
Plasma and Fusion Research, 17, 2402039 (2022)
https://doi.org/10.1585/pfr.17.2402039   NIFS repository

"Identification of electrostatic microinstability maps in quasi-axisymmetric stellarator"
J. Huang, M. Nakata, Y. Xu, A. Shimizu, M. Isobe, S. Okamura, H. F. Liu, X. Q. Wang, X. Zhang, H. Liu, J. Cheng and C. J. Tang
Physics of Plasmas, 29, 052505 (2022)
https://doi.org/10.1063/5.0082107   NIFS repository

"Suppression of Non-axisymmetric Field–induced α- particle Loss Channels in a Quasi-axisymmetric Stellarator"
Yichao Zhang, Haifeng Liu, Jie Huang, Yuhong Xu, Jian Zhang, Akihiro Shimizu, Shinsuke Satake, Mitsutaka Isobe, Xianqu Wang, Jun Cheng, Hai Liu, Xin Zhang, Changjian Tang
AIP Advances, 12, 055214 (2022))
https://doi.org/10.1063/5.0079827

"Feasibility Study of Deuterium-Deuterium Fusion Profile Diagnostics Using Fusion Born 3 MeV Proton for CFQS"
Kunihiro OGAWA, Mitsutaka ISOBE, Ryosuke SEKI, Hideo NUGA, Hiroyuki YAMAGUCHI, Siriyaporn SANGAROON, Akihiro SHIMIZU, Shoichi OKAMURA, Hiromi TAKAHASHI, Tetsurato OISHI, Shigeyoshi KINOSHITA, Takanori MURASE, Sho NAKAGAWA, Hiroyuki TANOUE, Masaki OSAKABE, Haifeng LIU and Yuhong XU
Plasma and Fusion Research, 17, 2402012 (2022)
https://doi.org/10.1585/pfr.17.2402012   NIFS repository

"Recent developments in engineering design for the quasi-axisymmetric stellarator CFQS"
A. Shimizu, S. Kinoshita, M. Isobe, S. Okamura, K. Ogawa, M. Nakata, Y. Yoshimura, C. Suzuki, M. Osakabe, T. Murase, S. Nakagawa, H. Tanoue, Y. Xu, H.F. Liu, H. Liu, J. Huang, X. Wang, J. Cheng, G. Xiong, C. Tang, D. Yin and Y. Wan
Nuclear Fusion, 62, 016010 (2022)
https://doi.org/10.1088/1741-4326/ac369a   NIFS repository

"Feasibility Study of Fast Ion Loss Diagnostics for CFQS by Beam Ion Loss Calculation on Vacuum Vessel"
K. Ogawa, M. Isobe, R. Seki, H. Nuga, H. Yamaguchi, S. Sangaroon, A. Shimizu, S. Okamura, H. Takahashi, T. Oishi, S. Kinoshita, T. Murase, S. Nakagawa, H. Tanoue, M. Osakabe, H. F. Liu, and Y. Xu
Journal of Instrumentation, 16, C09029 (2021)
https://doi.org/10.1088/1748-0221/16/09/C09029   NIFS repository

"Optimization of modular and helical coils applying genetic algorithm and fully-three-dimensional B-spline curves"
H. Yamaguchi, S. Satake, M. Nakata, A. Shimizu, Y. Suzuki and the W7-X Team
Nuclear Fusion, 61, 106004 (2021)
https://doi.org/10.1088/1741-4326/ac1ae2

“Design of auxiliary coils for divertor operation of quasi-axisymmetric stellarator CFQS”
S. Okamura, S. Kinoshita, A. Shimizu, M. Isobe, H. Liu, Y. Xu
47th EPS Conference on Plasma Physics, Sitges, ECA Vol. 45A, P4.1015 (2021)
http://ocs.ciemat.es/EPS2021PAP/pdf/P4.1015.pdf   NIFS repository

“Simulations of Alfvén eigenmodes in CFQS”
H. Wang, Y. Todo, J. Huang, Y. Suzuki, A. Shimizu, K. Ogawa, X. Wang
47th EPS Conference on Plasma Physics, Sitges, ECA Vol. 45A, P5.1034(2021)
http://ocs.ciemat.es/EPS2021PAP/pdf/P5.1034.pdf   NIFS repository

"The three-dimensional equilibrium with magnetic islands and MHD instabilities in the CFQS quasi-axisymmetric stellarator"
X.Q. Wang, Y. Xu, A. Shimizu, M. Isobe, S. Okamura, Y. Todo, H. Wang, H.F. Liu, J. Huang, X. Zhang, H. Liu, J. Cheng, C.J. Tang and the CFQS team
Nuclear Fusion, 61, 036021 (2021)
https://doi.org/10.1088/1741-4326/abd3ec   NIFS repository

"Study of the Alfvén eigenmodes stability in CFQS plasma using a Landau closure model"
J. Varela, A. Shimizu, D. A. Spong, L. Garcia, and Y. Ghai
Nuclear Fusion, 61, 026023 (2021)
https://doi.org/10.1088/1741-4326/abd072

"Nonlinear simulations of energetic particle-driven instabilities interacting with Alfvén continuum during frequency chirping"
X Q Wang, H Wang, Y Todo, Y Xu, J L Wang, H F Liu, J Huang, X Zhang, H Liu, J Cheng and C J Tang
Nuclear Fusion, 61, 026023 (2021)
Plasma Physics and Controlled Fusion, 63(1), 015004 (2021)
https://doi.org/10.1088/1361-6587/abc3d9

"Configuration characteristics of the Chinese First Quasi-axisymmetric Stellarator"
Haifeng Liu, Akihiro Shimizu, Yuhong Xu, Shoichi Okamura, Shigeyoshi Kinoshita, Mitsutaka Isobe, Yangbo Li, Guozheng Xiong, Xianqu Wang, Jie Huang, Jun Cheng, Hai Liu, Xin Zhang, Dapeng Yin, Y Wang, Takanori Murase, Sho Nakagawa and Changjian Tang
Nuclear Fusion, 61, 16014 (2021)
https://doi.org/10.1088/1741-4326/abbc85   NIFS repository

“Optimization of finite-sized modular coils for advanced stellarators”
Yangbo Li, Haifeng Liu, Yuhong Xu, Akihiro Shimizu, Shigeyoshi Kinoshita, Shoichi Okamura, Mitsutaka Isobe, Guozhen Xiong, Yang Luo, Jun Cheng
Plasma Physics and Controlled Fusion, 62(12) 125004 (2020)
https://doi.org/10.1088/1361-6587/abb9fb   NIFS repository

“Preliminary design and analysis of the CFQS supporting structure”
Guozhen Xiong, Yuhong Xu, Akihiro Shimizu, Shigeyoshi Kinoshita, Haifeng Liu, Mitsutaka Isobe, Dapeng Yin, Shoichi Okamura, Takanori Murase, Sho Nakagawa, Hai Liu, Xin Zhang, Changjian Tang, CFQS team
Fusion Engineering and Design, 160, 112021 (2020)
https://doi.org/10.1016/j.fusengdes.2020.112021   NIFS repository

“Island divertor configuration design for a quasi-axisymmetric stellarator CFQS”
S. Okamura, H. Liu, A. Shimizu, S. Kinoshita, M. Isobe, G. Xiong and Y. Xu
Journal of Plasma Physics, 86(4), 815860402 (2020)
https://doi.org/10.1017/S0022377820000732   NIFS repository

“Engineering Analysis for Vacuum Vessel of CFQS Quasi-Axisymmetric Stellarator”
Sho Nakagawa, Takanori Murase, Akihiro Shimizu, Shigeyoshi Kinoshita, Mitsutaka Isobe, Shoichi Okamura, Yuhong Xu, Haifeng Liu, Guozhen Xiong, Hai Liu, Dapeng Yin, Yi Wan and CFQS team
Plasma and Fusion Research, 15, 2405066 (2020)
https://doi.org/10.1585/pfr.15.2405066   NIFS repository

“Eddy current analyses for vacuum vessel of CFQS quasi-axisymmetric stellarator”
Takanori Murase, Sho Nakagawa, Shigeyoshi Kinoshita, Akihiro Shimizu, Shoichi Okamura, Mitsutaka Isobe, Guozhen Xiong, Yuhong Xu, Haifeng Liu, Hai Liu, Dapeng Yin, and CFQS team
Fusion Engineering and Design, 161, 111869 (2020)
https://doi.org/10.1016/j.fusengdes.2020.111869   NIFS repository

“Local axisymmetry-breaking induced transition of trapped particle orbit and loss channels in quasi-axisymmetric stellarators”
Lang Yang, Haifeng Liu, Akihiro Shimizu, Yuhong Xu, Xianqu Wang, Hai Liu, Changjian Tang, Yangbo Li, Jinmao Liu, Yang Luo, Guozhen Xiong, Chunyan Su, Kinoshita Shigeyoshi, Mitsutaka Isobe, Shoichi Okamura, Jie Huang, Xin Zhang, Dapeng Yin, Yi Wan, and CFQS team
Europhysics Letters 129, 35001 (2020)
https://doi.org/10.1209/0295-5075/129/35001   NIFS repository

“Numerical analysis on the characteristics of particle orbits in quasi-axisymmetric stellarator“
C. Y. Su, S. Y. Chen, H. F. Liu, M. L. Mou, W. P. Guo, and C. J. Tang
AIP Advances 10, 015004 (2020)
https://doi.org/10.1063/1.5124452

“Identification of important error fields in stellarators using the Hessian matrix method”
Caoxiang Zhu, David A. Gates, Stuart R. Hudson, Haifeng Liu, Yuhong Xu, Akihiro Shimizu, and Shoichi Okamura
Nuclear Fusion, 59, 126007 (2019)
https://doi.org/10.1088/1741-4326/ab3a7c   NIFS repository

“Consideration of the Influence of Coil Misalignment on the Chinese First Quasi-axisymmetrid Stellarator Magnetic Configuration”
Akihiro Shimizu, Haifeng Liu, Shigeyoshi Kinoshita, Mitsutaka Isobe, Kunihiro Ogawa, Shoichi Okamura, Guozhen Xiong, Yuhong Xu, Hai Liu, Xin Zhang, Jie Huang, Xianqu Wang, Changjian Tang, Dapeng Yin, Yi Wan, and CFQS team
Plasma and Fusion Research, 14, 3403151 (2019)
https://doi.org/10.1585/pfr.14.3403151   NIFS repository

“Feasibility Study of Neutral Beam Injection on Chinese First Quasi-Axisymmetric Stellarator (CFQS)”
Kunihiro Ogawa, Ryosuke Seki, Hiroyuki Yamaguchi, Sadayoshi Murakami, Mitsutaka Isobe, Akihiro Shimizu, Shigeyoshi Kinoshita, Shoichi Okamura, Haifeng Liu, Yuhong Xu, and the CFQS team
Plasma and Fusion Research, 14, 3402067 (2019)
https://doi.org/10.1585/pfr.14.3402067   NIFS repository

“Engineering Design of the Chinese First Quasi-Axisymmetric Stellarator (CFQS)”
Shigeyoshi Kinoshita, Akihiro Shimizu, Shoichi Okamura, Mitsutaka Isobe, Guozhen Xiong, Haifeng Liu, Yuhong Xu, the CQFS team
Plasma and Fusion Research, 14, 3405097 (2019)
https://doi.org/10.1585/pfr.14.3405097   NIFS repository

“Current Status of NIFS-SWJTU Joint Project for Quasi-Axisymmetric Stellarator CFQS”
Mitsutaka Isobe, Akihiro Shimizu, Haifeng Liu, Hai Liu, Guozhen Xiong, Dapeng Yin, Kunihiro Ogawa, Yasuo Yoshimura, Motoki Nakata, Shigeyoshi Kinoshita, Shoichi Okamura, Changjian Tang, Yuhong Xu, the CFQS team
Plasma and Fusion Research, 14, 3402074 (2019)
https://doi.org/10.1585/pfr.14.3402074   NIFS repository

“Finite beta effects on the island bundle diverter of CFQS”
S. Okamura, A. Shimizu, S. Kinoshita, M. Isobe, H. Liu, Y. Xu
46th EPS Conference on Plasma Physics, Milan, ECA Vol. 43C, P5.1047 (2019)
http://ocs.ciemat.es/EPS2019PAP/pdf/P5.1047.pdf   NIFS repository

"Physics and Engineering Design for Chinese First Quasi-axisymmetric Stellarator (CFQS)"
Yuhong Xu, Haifeng Liu, Guozhen Xiong, Akihiro Shimizu, Shigeyoshi Kinoshita, Mitsutaka Isobe, Shoichi Okamura, Motoki Nakata, Dapeng Yin, Yi Wan, Wilfred Anthony Cooper, Caoxiang Zhu, Hai Liu, Xin Zhang, Jie Huang, Xianqu Wang, Changjian Tang and the CFQS team
Proceeding for the IAEA FEC meeting in India (2018)
https://conferences.iaea.org/event/151/contributions/5632/   NIFS repository

“Configuration Characteristics of Tokamak-like Stellarator, Chinese First Quasi-axisymmetric Stellarator”
Haifeng Liu, Akihiro Shimizu, Mitsutaka Isobe, Shoichi Okamura, Yuhong Xu, Changjian Tang, Lang Yang, Hai Liu, Xin Zhang, Jie Huang, Xianqu Wang, Dapeng Yin, Yi Wan, and CFQS team
45th EPS Conference on Plasma Physics, Prague, ECA Vol. 42A, P1.1039 (2018)
http://ocs.ciemat.es/EPS2018PAP/pdf/P1.1039.pdf   NIFS repository

“Design study of the magnetic field coils and configuration for the Chinese First Quasi-axisymmetric Stellarator”
A. Shimizu, H. Liu, M. Isobe, S. Okamura, S. Kinoshita, Y. Xu, X. Zhang, J. Huang, X. Wang, H. Liu, C. Tang, D. Yin, Y. Wan, and the CFQS team
45th EPS Conference on Plasma Physics, Prague, ECA Vol. 42A, P1.1053 (2018)
http://ocs.ciemat.es/EPS2018PAP/pdf/P1.1053.pdf   NIFS repository

“NIFS-SWJTU joint project for Chinese First Quasi-axisymmetric Stellarator (CFQS)”
Mitsutaka Isobe, Akihiro Shimizu, Haifeng Liu, Hai Liu, Dapeng Yin, Yi Wan, Shigeyoshi Kinoshita, Shoichi Okamura, Yuhong Xu, and the CFQS team
45th EPS Conference on Plasma Physics, Prague, ECA Vol. 42A, P2.1043 (2018)
http://ocs.ciemat.es/EPS2018PAP/pdf/P2.1043.pdf

“Island bundle diverter configuration for quasi-axisymmetric stellarator”
S. Okamura, H. Liu, A. Shimizu, M. Isobe, and Y. Xu
45th EPS Conference on Plasma Physics, Prague, ECA Vol. 42A, P5.1034 (2018)
http://ocs.ciemat.es/EPS2018PAP/pdf/P5.1034.pdf   NIFS repository

“Configuration property of Chinese First Quasi-axisymmetric Stellarator”
Akihiro Shimizu, Haifeng Liu, Mitsutaka Isobe, Shoichi Okamura, Shin Nishimura, Chihiro Suzuki, Yuhong Xu, Xin Zhang, Bing Liu, Jie Huang, Xianqu Wang, Hai Liu, Changjian Tang, and CFQS team
Plasma and Fusion Research, 13, 3403123 (2018)
https://doi.org/10.1585/pfr.13.3403123   NIFS repository

“Magnetic Configuration and Modular Coil Design for the Chinese First Quasi-Axisymmetric Stellarator”
Haifeng Liu, Akihiro Shimizu, Mitsutaka Isobe, Shoichi Okamura, Shin Nishimura, Chihiro Suzuki, Yuhong Xu, Xin Zhang, Bing Liu, Jie Huang, Xianqu Wang, Hai Liu, Changjian Tang, Dapeng Yin, Yi Wan and CFQS team
Plasma and Fusion Research, 13, 3405067 (2018)
https://doi.org/10.1585/pfr.13.3405067   NIFS repository