Imperial College London
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Professor Jonathan P. Eastwood

Faculty of Natural Sciences, Department of Physics

Professor of Space Physics
 
 
 
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Contact

 

jonathan.eastwood Website

 
 
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Assistant

 

Mr Luke Kratzmann +44 (0)20 7594 7770

 
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Location

 

Huxley BuildingSouth Kensington Campus

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Summary

 

Publications

Citation

BibTex format

@article{Hesse:2018:10.1063/1.5054100,
author = {Hesse, M and Norgren, C and Tenfjord, P and Burch, JL and Liu, YH and Chen, LJ and Bessho, N and Wang, S and Nakamura, R and Eastwood, JP and Hoshino, M and Torbert, RB and Ergun, RE},
doi = {10.1063/1.5054100},
journal = {Physics of Plasmas},
title = {On the role of separatrix instabilities in heating the reconnection outflow region},
url = {http://dx.doi.org/10.1063/1.5054100},
volume = {25},
year = {2018}
}
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RIS format (EndNote, RefMan)

TY  - JOUR
AB  - A study of the role microinstabilities at the reconnection separatrix can play in heating the electrons during the transition from inflow to outflow is being presented. We find that very strong flow shears at the separatrix layer lead to counterstreaming electron distributions in the region around the separatrix, which become unstable to a beam-type instability. Similar to what has been seen in earlier research, the ensuing instability leads to the formation of propagating electrostatic solitons. We show here that this region of strong electrostatic turbulence is the predominant electron heating site when transiting from inflow to outflow. The heating is the result of heating generated by electrostatic turbulence driven by overlapping beams, and its macroscopic effect is a quasi-viscous contribution to the overall electron energy balance. We suggest that instabilities at the separatrix can play a key role in the overall electron energy balance in magnetic reconnection.
AU  - Hesse,M
AU  - Norgren,C
AU  - Tenfjord,P
AU  - Burch,JL
AU  - Liu,YH
AU  - Chen,LJ
AU  - Bessho,N
AU  - Wang,S
AU  - Nakamura,R
AU  - Eastwood,JP
AU  - Hoshino,M
AU  - Torbert,RB
AU  - Ergun,RE
DO  - 10.1063/1.5054100
PY  - 2018///
SN  - 1070-664X
TI  - On the role of separatrix instabilities in heating the reconnection outflow region
T2  - Physics of Plasmas
UR  - http://dx.doi.org/10.1063/1.5054100
UR  - http://hdl.handle.net/10044/1/65462
VL  - 25
ER  -
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