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TJ-II:Magnetic field: Difference between revisions
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[[File:TJ-II Curvature.jpg|800px|thumb|center|TJ-II: Curvature κ<sub>N</sub>]] | [[File:TJ-II Curvature.jpg|800px|thumb|center|TJ-II: Curvature κ<sub>N</sub>]] | ||
Normal [[Magnetic curvature|magnetic curvature]] of the magnetic field, κ<sub>N</sub>. | Normal [[Magnetic curvature|magnetic curvature]] of the magnetic field, κ<sub>N</sub>. | ||
Positive values of κ<sub>N</sub> are regions where curvature-driven modes are stable. | Positive values of κ<sub>N</sub> are regions where curvature-driven modes are expected to be stable (note that this figure corresponds to the ''vacuum'' magnetic field -without plasma- so that strictly speaking it is not correct to speak about plasma stability). | ||
[[File:TJ-II Local shear.jpg|800px|thumb|center|TJ-II: Local shear, ''s''<sub>local</sub>]] | [[File:TJ-II Local shear.jpg|800px|thumb|center|TJ-II: Local shear, ''s''<sub>local</sub>]] | ||