Magnetic Helicity Magnetic helicity measures intrinsic properties of flux tubes (shear, linking, kinking twisting & handedness) It is defined by a volume.
Knots and Bolts of Solar Helicity
Helicity as a Constraint on the Solar Dynamo Alexei A. Pevtsov If you worry about publicity Do not speak of Current Helicity Jan Stenflo.
Dr. Alexei A. Pevtsov
