What is it about?

Our work expands on the recent progresses made in the inter-relationship between two of the ubiquitous plasma phenomenon, magnetic reconnection, and turbulence. Previously, the magnetic energy spectrum, and the energy transfer characteristics of a laminar antiparallel reconnection was shown to be like that of a decaying turbulence (Adhikari et al. Physics of Plasmas 27, 042305 (2020), Adhikari et al. Phys. Rev. E 104, 065206). This work highlights that these turbulence-like properties of reconnection are independent of an external magnetic field (guide field). In addition, this work also discusses the physical meaning of the von-Karman Howarth equation, a pathway often used to study energy transfer in turbulence.

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Why is it important?

This study is particularly important to the interplay between reconnection and turbulence as it opens up a possible insight that the characteristics, we often use to describe turbulence might be fundamental to reconnection. If this is true, we might be looking into some sort of universality between reconnection and turbulence. On the other hand, this study explicitly focusses on the von Karman Howarth equation to expand on the limited exposure of turbulence in the reconnection community.


Looking into the laminar picture of magnetic reconnection through the lens of turbulence has revealed a deeper connection between these two plasma processes.

Subash Adhikari
West Virginia University

Read the Original

This page is a summary of: Effect of a guide field on the turbulence like properties of magnetic reconnection, Physics of Plasmas, August 2023, American Institute of Physics,
DOI: 10.1063/5.0150929.
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