Current sheets and 2D magnetic islands or 3D blobs, flux ropes, and plasmoids observed in the solar wind at various scales play a significant role in local particle acceleration to keV-MeV energies. The resulting energetic particle enhancements as well as plasma/magnetic field variations constitute a potentially hazardous condition in the interplanetary and near-Earth space. Current sheets are self-organized structures that are formed ubiquitously in cosmic and laboratory plasmas owing to a change in the magnetic field direction, at strong discontinuities, and as a result of turbulence. Not surprisingly, dynamic processes occurring at current sheets and in their vicinity have a striking similarity in different plasmas. Current sheets experience magnetic reconnection that in turn leads to many subsequent nonlinear effects, triggering the development of a turbulent cascade, the formation of magnetic islands/flux ropes/plasmoids/blobs, and local acceleration of charged particles. These processes are observed from the corona to the outer heliosphere and may often be described by the same equations. They also can be linked physically as some of the structures originating from the corona survive and evolve further in the solar wind. These processes have been studied by different scientific teams in independent ways, but currently there is a tendency to analyze them employing a unified approach.
This interdisciplinary session will bring together specialists from different plasma physics communities, bridging gaps in the understanding of the origin of coherent structures and the development of dynamical processes associated with current sheets. We invite researchers to share recent results of their theoretical studies, modelling and observations. Contributions that discuss and compare different mechanisms of local particle energization that occur in laboratory plasmas, the solar corona, magnetospheres of planets and the heliosphere are especially welcome.
Welcome to session ST1.6. Dynamical processes and particle acceleration associated with current sheets, magnetic islands and turbulence-borne structures in space plasmas.
We kindly invite you to attend an EGU-related Zoom conference “Dynamical processes and particle acceleration associated with current sheets, magnetic islands and turbulence-borne structures in space plasmas”.
The meeting will be held on Thursday, 29 April 2000 (12:00 – 14:35 and 16:00 – 19:05, CEST). The conference program and other details can be found here: https://drive.google.com/file/d/1y9H4iqOMjU6A35JGElajm7MHZv3lDgpu/view
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