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Lagrangian coherent structures in space plasmas

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Abstract

Space plasmas can be described as conducting flows in a turbulent state, where fluid motion is determined by a host of kinetic and magnetic coherent structures of different types. Identifying and following the evolution of those structures is crucial for a deep understanding, and possibly, the forecasting of plasma behaviour. Lagrangian coherent structures constitute a recently devised theory to describe material transport in fluids, with mathematical approaches carefully developed to detect the main transport barriers responsible for controlling fluid flows. In this work, we review the application of this theory to space plasmas using numerical simulations and satellite observations. In particular, the results show that Lagrangian coherent structures can be used to better understand complex plasma phenomena in the solar atmosphere.

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  1. http://pencil-code.nordita.org/ and http://pencil-code.googlecode.com.

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Acknowledgements

E.L.R. acknowledges Brazilian agency CNPq (Grant 306920/2020-4). VF, GV, E.L.R. and SSAS are grateful to The Royal Society, International Exchanges Scheme, collaboration with Brazil (IES/R1/191114). VF, GV and SSAS are grateful to Science and Technology Facilities Council (STFC) grant ST/V000977/1. VF and GV thank The Royal Society, International Exchanges Scheme, collaboration with Chile (IE170301), Greece (IES/R1/221095), India (IES/R1/211123), Spain (IES/R2/212183) and Australia (IES/R3/213012). MG was supported by NASA contract NNM07AA01C (Solar-B (Hinode) Focal Plane Package Phase E). This research has also received financial support from the European Union’s Horizon 2020 research and innovation program under grant agreement No. 824135 (SOLARNET). RAM acknowledges Brazilian agency CNPq (Grants 407493/2022-0 and 407341/2022-6).

Author information

Author notes

  1. Abraham C.-L. Chian and Suzana de S. A. Silva have contributed equally to this work.

Authors and Affiliations

  1. Department of Mathematics, Aeronautics Institute of Technology (ITA), São José dos Campos, SP, 12228-900, Brazil

    Erico L. Rempel

  2. Division of Space Geophysics, National Institute for Space Research (INPE), São José dos Campos, SP, 12227-010, Brazil

    Erico L. Rempel & Abraham C.-L. Chian

  3. School of Computer and Mathematical Sciences, University of Adelaide, Adelaide, SA, 5005, Australia

    Abraham C.-L. Chian

  4. Plasma Dynamics Group, Department of Automatic Control and Systems Engineering, University of Sheffield, Sheffield, UK

    Suzana de S. A. Silva & Viktor Fedun

  5. Plasma Dynamics Group, School of Mathematics and Statistics, University of Sheffield, Sheffield, UK

    Gary Verth

  6. UnB-Gama Campus and Institute of Physics, University of Brasília, Brasília, DF, 70910-900, Brazil

    Rodrigo A. Miranda

  7. Lockheed Martin Solar and Astrophysics Laboratory, Palo Alto, CA, 94304, USA

    Milan Gošić

  8. Bay Area Environmental Research Institute, Moffett Field, CA, 94035, USA

    Milan Gošić

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Correspondence to Erico L. Rempel.

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Rempel, E.L., Chian, A.CL., de S. A. Silva, S. et al. Lagrangian coherent structures in space plasmas. Rev. Mod. Plasma Phys. 7, 32 (2023). https://doi.org/10.1007/s41614-023-00136-1

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