Absolute Measures of Helicity
1134 views
23.11.2017
Affiliation
University of Exeter
Main category
Natural Sciences (Astrophysics and Astrononmy)
Abstract
I will consider some new developments in absolute measures of helicity (as opposed to measures relative to a vacuum field). These measures are defined for arbitrary foliations of space by simply connected surfaces (e.g. start with a set of nested spheres with spherical coordinates, then deform the spheres). They are based on generalizations of Poloidal-Toroidal decompositions. One application lies in measuring the helicity contained within the Northern hemisphere interior of the sun (or Southern hemisphere).
Further information
Further reading
Language
English
DOI
10.18147/smn.2017/presentation:287
Do you have problems viewing the pdf-file? Download presentation here
If the presentation contains inappropriate content, please report the presentation. You will be redirected to the landing page.