@article{oai:nifs-repository.repo.nii.ac.jp:00000542,
 author = {WATANABE,  Kiyomasa and NARUSHIMA,  Yoshiro and SAKAKIBARA,  Satoru and OHDACHI,  Satoshi and TOI,  Kazuo and COOPER,  Antony W. and COOPER,  Antony W. and NAKAJIMA,  Noriyoshi and NARIHARA,  Kazumichi and TANAKA,  Kenji and LHD Experimental Group, and LHD Experimental Groups, and the  LHD Experimental Groups, and the LHD Experimental Group, and WATANABE,  Kiyomasa and NARUSHIMA,  Yoshiro and SAKAKIBARA,  Satoru and OHDACHI,  Satoshi and TOI,  Kazuo and NAKAJIMA,  Noriyoshi and NARIHARA,  Kazumichi and TANAKA,  Kenji and LHD, experimental group},
 journal = {Journal of Plasma and Fusion Research SERIES, Journal of Plasma and Fusion Research SERIES},
 month = {Jan},
 note = {We analyze the relationship between the experimentally observed pressure gradients at resonant rational surfaces and the theoretically predicted ideal magnetohydrodynamics (MHD) unstable region of global modes in the large helical device (LHD). According to the stability analysis of the ideal MHD modes with a low toroidal mode number, we find that the ideal MHD mode gives a constraint on the operational regime of the pressure gradients in the core. In the edge, a clear saturation of the pressure gradients due to the ideal MHD instability has not been observed up to the high beta regime around 3% as the volume-averaged toridal beta value, where global ideal MHD modes are predicted
to be unstable.},
 title = {Relationships between the Prediction of Linear MHD Stability Criteria and the Experiment in LHD},
 volume = {Vol.6},
 year = {2004}
}