Institute of Plasma Physics;
Chinese Academy of Sciences;
Hefei 230031;
People's Republic of China;
University of Science and Technology of China;
Hefei 230026;
People's Republic of China;
National Institutes of Fusion Sciences;
National Institutes of Natural Sciences;
Oroshi-cho;
322-6;
Toki 509-5292;
Japan;
SOKENDAI;
The Graduate University for Advanced Studies;
Oroshi-cho;
322-6;
Toki 509-5292;
Japan;
Institute for Energy and Climate Reserch-Plasma Physics;
Forschungszentrum Juelich;
Association EURATOM-FZJ;
Trilateral Euregio Cluster;
D-52425;
Juelich;
Germany;
magnetic; topology; ideal; plasma; response; tokamaks; resonant; magnetic; perturbation;