Helicity invariants of force-free field for a rectangular box
Solar and Stellar Astrophysics
2010-09-22 v1
Abstract
An algorithm for calculating three gauge-invariant helicities (self-, mutual- and Berger relative helicity) for a magnetic field specified in a rectangular box is described. The algorithm is tested on a well-known force-free model (Low and Lou, 1990) presented in vector-potential form.
Cite
@article{arxiv.1009.4057,
title = {Helicity invariants of force-free field for a rectangular box},
author = {G. V. Rudenko and I. I. Myshyakov},
journal= {arXiv preprint arXiv:1009.4057},
year = {2010}
}