Detecting and investigating magnetic reconnection in space plasma simulations

A PhD Thesis in collaboration between UNIPI and Aix-Marseille University exploiting the competencies and research interests addressed by the AIDA project.

http://aida-space.eu/thesis_magnetic_reconnection

https://iopscience.iop.org/article/10.3847/1538-4357/aba527

https://iopscience.iop.org/article/10.3847/1538-4357/abd24b

Workflow used to create the labeled dataset of image of current sheets from 2D HVM simulations of turbulence used for train the CNN in Hu et al. (2020). A group of experts was asked to label over 3000 images identifying magnetic reconnection events.

Events

See more details on each presentations and on the previous events here.

AIDA partners showed the advancements of the project during the following events:

ACEX2021 (4-8 July 2021)

Visualizing and understanding turbulent outflow with unsupervised machine learning (Giovanni Lapenta - KULeuven)

EGU21 (19-30 April 2021)

A special session: Turbulence, magnetic reconnection, shocks, and particle acceleration: nonlinear processes in space, laboratory, and astrophysical plasmas (Convener: Maria Elena Innocenti | Co-conveners: Jacob Bortnik, Jasper Halekas, Giovanni Lapenta, Francesco Pucci)

Hunting for reconnection and energy exchange sites in 3D turbulent outflows (Giovanni Lapenta)

Structure functions analysis of sub-ion scale turbulent fluctuations and dissipation range in a magnetized plasma (Giuseppe Arrò, Francesco Califano, and Giovanni Lapenta)

Fully kinetic simulations of electron-scale plasma turbulence in the inner heliosphere: a pathfinder for future spacecraft missions (Luca Franci, Emanuele Papini, Alfredo Micera, Daniele Del Sarto, Giovanni Lapenta, David Burgess, and Simone Landi)

Kinetic Modeling of the Impact of Solar Wind Discontinuities on the Magnetopause (Jean Berchem, Giovanni Lapenta, Robert L. Richard, Philippe Escoubet, and Simon Wing)

Using clustering techniques for magnetic reconnection detection (Manuela Sisti, Francesco Finelli, Giorgio Pedrazzi, Matteo Faganello, Francesco Califano, Francesca Delli Ponti, and Valeriia Zalizniak)

Investigating current structures in 3D-3V hybrid Vlasov simulations of turbulence (Matteo Faganello, Manuela Sisti, Sid Fadanelli, Silvio Sergio Cerri, Francesco Califano, and Olivier Agullo)

A large-scale instability competing with Kelvin-Helmholtz at Mercury’s boundary layer (Jérémy Dargent, Federico Lavorenti, Pierre Henri, and Francesco Califano)

A two-step role for plasma expansion in solar wind heat flux regulation (Maria Elena Innocenti, Elisabetta Boella, Anna Tenerani, and Marco Velli)

Particle-In-Cell simulations of resonant interactions between whistler waves and electrons in the near-Sun solar wind: scattering of the strahl into the halo and heat flux regulation (Alfredo Micera, Andrei Zhukov, Rodrigo A. López, Maria Elena Innocenti, Marian Lazar, Elisabetta Boella, and Giovanni Lapenta)

Ion and electron energization by Alfvén waves in magnetic shears (Francesco Pucci, Fabio Bacchini, Giovanni Lapenta, and Francesco Malara)

Unsupervised Solar Wind Classification Using Wavelet Variational Autoencoders and Self-Organazing Maps (Jorge Amaya, Sara Jamal, and Giovanni Lapenta)