The effect of an external guide field on the turbulence-like properties of magnetic reconnection is studied using five different 2.5D kinetic particle-in-cell (PIC) simulations. The magnetic energy spectrum is found to exhibit a slope of approximately in the inertial range, independent of the guide field. On the contrary, the electric field spectrum in the inertial range steepens more with the guide field and approaches a slope of . In addition, spectral analysis of the different terms of the generalized Ohm's law is performed and found to be consistent with PIC simulations of turbulence and MMS observations. Finally, the guide field effect on the energy transfer behavior is examined using the von Kármán–Howarth (vKH) equation based on incompressible Hall-MHD. The general characteristics of the vKH equation with constant rate of energy transfer in the inertial range are consistent in all the simulations. This suggests that the qualitative behavior of energy spectrum and energy transfer in reconnection are similar to that of turbulence, indicating that reconnection fundamentally involves an energy cascade.
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August 2023
Research Article|
August 09 2023
Effect of a guide field on the turbulence like properties of magnetic reconnection Available to Purchase
S. Adhikari
;
S. Adhikari
a)
(Formal analysis, Investigation, Methodology, Validation, Writing – original draft, Writing – review & editing)
1
Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
2
Department of Physics and Astronomy, West Virginia University
, Morgantown, West Virginia 26506, USA
a)Author to whom correspondence should be addressed: [email protected]
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M. A. Shay
;
M. A. Shay
(Conceptualization, Formal analysis, Funding acquisition, Supervision, Writing – review & editing)
1
Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
3
Bartol Research Institute, Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
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T. N. Parashar
;
T. N. Parashar
(Formal analysis, Supervision, Writing – review & editing)
1
Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
4
School of Chemical and Physical Sciences, Victoria University of Wellington
, Wellington 6012, New Zealand
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W. H. Matthaeus
;
W. H. Matthaeus
(Conceptualization, Funding acquisition, Supervision, Writing – review & editing)
1
Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
3
Bartol Research Institute, Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
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P. S. Pyakurel
;
P. S. Pyakurel
(Formal analysis, Writing – review & editing)
5
Space Sciences Laboratory, University of California
, Berkeley, California 94720, USA
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J. E. Stawarz
;
J. E. Stawarz
(Formal analysis, Writing – review & editing)
6
Department of Mathematics, Physics, and Electrical Engineering, Northumbria University
, Newcastle upon Tyne NE1 8ST, United Kingdom
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J. P. Eastwood
J. P. Eastwood
(Formal analysis, Writing – review & editing)
7
Department of Physics, Imperial College London
, London, SW7 2AZ, United Kingdom
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S. Adhikari
1,2,a)
M. A. Shay
1,3
T. N. Parashar
1,4
W. H. Matthaeus
1,3
P. S. Pyakurel
5
J. E. Stawarz
6
J. P. Eastwood
7
1
Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
2
Department of Physics and Astronomy, West Virginia University
, Morgantown, West Virginia 26506, USA
3
Bartol Research Institute, Department of Physics and Astronomy, University of Delaware
, Newark, Delaware 19716, USA
4
School of Chemical and Physical Sciences, Victoria University of Wellington
, Wellington 6012, New Zealand
5
Space Sciences Laboratory, University of California
, Berkeley, California 94720, USA
6
Department of Mathematics, Physics, and Electrical Engineering, Northumbria University
, Newcastle upon Tyne NE1 8ST, United Kingdom
7
Department of Physics, Imperial College London
, London, SW7 2AZ, United Kingdom
a)Author to whom correspondence should be addressed: [email protected]
Phys. Plasmas 30, 082904 (2023)
Article history
Received:
March 17 2023
Accepted:
July 12 2023
Citation
S. Adhikari, M. A. Shay, T. N. Parashar, W. H. Matthaeus, P. S. Pyakurel, J. E. Stawarz, J. P. Eastwood; Effect of a guide field on the turbulence like properties of magnetic reconnection. Phys. Plasmas 1 August 2023; 30 (8): 082904. https://doi.org/10.1063/5.0150929
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