Nonlinear Reconnection in Magnetized Turbulence

Loureiro, N. F.; Boldyrev, S.

doi:10.7910/DVN/LGOKIK

Title: Nonlinear Reconnection in Magnetized Turbulence

Abstract

Recent analytical works on strong magnetized plasma turbulence have hypothesized the existence of a range of scales where the tearing instability may govern the energy cascade. In this paper, we estimate the conditions under which such tearing may give rise to full nonlinear magnetic reconnection in the turbulent eddies. When those conditions are met, a new turbulence regime is accessed where reconnection-driven energy dissipation becomes common, rather than the rare feature that it must be when they are not. We conclude that while such conditions are very stringent for ﬂuid-scale eddies, they are easily met for kinetic-scale eddies; in particular, we suggest that our arguments may help explain recent Magnetospheric Multiscale (MMS) observations of (so-called) electron-only reconnection and of energy dissipation via electron Landau damping in the Earthʼs magnetosheath.

Authors:: Loureiro, N. F.; Boldyrev, S.

Publication Date:: 2021-06-27

DOE Contract Number:: SC0018266; SC0016215

Research Org.:: Univ. of Wisconsin, Madison, WI (United States); Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States). Plasma Science and Fusion Center

Sponsoring Org.:: USDOE Office of Science (SC), Fusion Energy Sciences (FES)

Subject:: 70 PLASMA PHYSICS AND FUSION TECHNOLOGY; 79 ASTRONOMY AND ASTROPHYSICS

OSTI Identifier:: 1884769

DOI:: https://doi.org/10.7910/DVN/LGOKIK

Citation Formats


                    Loureiro, N. F., and Boldyrev, S. Nonlinear Reconnection in Magnetized Turbulence.  United States: N. p., 2021. 
        Web.  doi:10.7910/DVN/LGOKIK.

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                    Loureiro, N. F., & Boldyrev, S. Nonlinear Reconnection in Magnetized Turbulence.  United States.  doi:https://doi.org/10.7910/DVN/LGOKIK

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                    Loureiro, N. F., and Boldyrev, S. 2021.  
"Nonlinear Reconnection in Magnetized Turbulence".  United States.  doi:https://doi.org/10.7910/DVN/LGOKIK.  https://www.osti.gov/servlets/purl/1884769. Pub date:Sun Jun 27 00:00:00 EDT 2021

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@article{osti_1884769,

  title        = {Nonlinear Reconnection in Magnetized Turbulence},

  author       = {Loureiro, N. F. and Boldyrev, S.},

  abstractNote = {Recent analytical works on strong magnetized plasma turbulence have hypothesized the existence of a range of scales where the tearing instability may govern the energy cascade. In this paper, we estimate the conditions under which such tearing may give rise to full nonlinear magnetic reconnection in the turbulent eddies. When those conditions are met, a new turbulence regime is accessed where reconnection-driven energy dissipation becomes common, rather than the rare feature that it must be when they are not. We conclude that while such conditions are very stringent for ﬂuid-scale eddies, they are easily met for kinetic-scale eddies; in particular, we suggest that our arguments may help explain recent Magnetospheric Multiscale (MMS) observations of (so-called) electron-only reconnection and of energy dissipation via electron Landau damping in the Earthʼs magnetosheath.},

  doi          = {10.7910/DVN/LGOKIK},

  journal      = {},

  number       = ,

  volume       = ,

  place        = {United States},

  year         = {2021},

  month        = {6}

}

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DOI: https://doi.org/10.7910/DVN/LGOKIK

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