Energy Partition in Magnetic Reconnection in Earth's Magnetotail

Author
Eastwood, Jonathan P.
Phan, Tai D.
Drake, James F.
Shay, Michael A.
Borg, Anette Lauen
Lavraud, Benoit
Taylor, Matthew G.G.T.
Date Issued
2013
Permalink
http://hdl.handle.net/20.500.12242/708
https://publications.ffi.no/123456789/708
DOI
10.1103/PhysRevLett.110.225001
Collection
Articles
Description
Eastwood, Jonathan P.; Phan, Tai D.; Drake, James F.; Shay, Michael A.; Borg, Anette Lauen; Lavraud, Benoit; Taylor, Matthew G.G.T.. Energy Partition in Magnetic Reconnection in Earth's Magnetotail. Physical Review Letters 2013 ;Volum 110.(22:225001) s.
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Abstract
The partition of energy flux in magnetic reconnection is examined experimentally using Cluster satellite observations of collisionless reconnection in Earth’s magnetotail. In this plasma regime, the dominant component of the energy flux is ion enthalpy flux, with smaller contributions from the electron enthalpy and heat flux and the ion kinetic energy flux. However, the Poynting flux is not negligible, and in certain parts of the ion diffusion region the Poynting flux in fact dominates. Evidence for earthward-tailward asymmetry is ascribed to the presence of Earth’s dipole fields.
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