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Title: Nonlinear waves and instabilities leading to secondary reconnection in reconnection outflows

Abstract

Reconnection outflows have been under intense recent scrutiny, fromin situobservations and from simulations. These regions are host to a variety of instabilities and intense energy exchanges, often even superior to the main reconnection site. We report here a number of results drawn from an investigation of simulations. First, the outflows are observed to become unstable to drift instabilities. Second, these instabilities lead to the formation of secondary reconnection sites. Third, the secondary processes are responsible for large energy exchanges and particle energization. Finally, the particle distribution function are modified to become non-Maxwellian and include multiple interpenetrating populations.

Authors:
 [1];  [2];  [2];  [3];  [4];  [5];  [5]
  1. KU Leuven (Belgium). Dept. of Mathematics; Space Science Inst., Boulder, CO (United States)
  2. KU Leuven (Belgium). Dept. of Mathematics
  3. Univ. of Calabria, Rende (Italy). Dept. of Physics
  4. Nanotec-CNR, Rende (Italy)
  5. Univ. of Colorado, Boulder, CO (United States)
Publication Date:
Research Org.:
Lawrence Berkeley National Laboratory-National Energy Research Scientific Computing Center
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1479471
DOE Contract Number:  
AC02-05CH11231
Resource Type:
Journal Article
Journal Name:
Journal of Plasma Physics
Additional Journal Information:
Journal Volume: 84; Journal Issue: 01; Journal ID: ISSN 0022-3778
Country of Publication:
United States
Language:
English

Citation Formats

Lapenta, Giovanni, Pucci, Francesco, Olshevsky, Vyacheslav, Servidio, Sergio, Sorriso-Valvo, Luca, Newman, David L., and Goldman, Martin V. Nonlinear waves and instabilities leading to secondary reconnection in reconnection outflows. United States: N. p., 2018. Web. doi:10.1017/S002237781800003X.
Lapenta, Giovanni, Pucci, Francesco, Olshevsky, Vyacheslav, Servidio, Sergio, Sorriso-Valvo, Luca, Newman, David L., & Goldman, Martin V. Nonlinear waves and instabilities leading to secondary reconnection in reconnection outflows. United States. doi:10.1017/S002237781800003X.
Lapenta, Giovanni, Pucci, Francesco, Olshevsky, Vyacheslav, Servidio, Sergio, Sorriso-Valvo, Luca, Newman, David L., and Goldman, Martin V. Thu . "Nonlinear waves and instabilities leading to secondary reconnection in reconnection outflows". United States. doi:10.1017/S002237781800003X.
@article{osti_1479471,
title = {Nonlinear waves and instabilities leading to secondary reconnection in reconnection outflows},
author = {Lapenta, Giovanni and Pucci, Francesco and Olshevsky, Vyacheslav and Servidio, Sergio and Sorriso-Valvo, Luca and Newman, David L. and Goldman, Martin V.},
abstractNote = {Reconnection outflows have been under intense recent scrutiny, fromin situobservations and from simulations. These regions are host to a variety of instabilities and intense energy exchanges, often even superior to the main reconnection site. We report here a number of results drawn from an investigation of simulations. First, the outflows are observed to become unstable to drift instabilities. Second, these instabilities lead to the formation of secondary reconnection sites. Third, the secondary processes are responsible for large energy exchanges and particle energization. Finally, the particle distribution function are modified to become non-Maxwellian and include multiple interpenetrating populations.},
doi = {10.1017/S002237781800003X},
journal = {Journal of Plasma Physics},
issn = {0022-3778},
number = 01,
volume = 84,
place = {United States},
year = {2018},
month = {2}
}

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