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MST1: Magnetic Reconnection in Space and Astrophysical Plasmas

Session Organisers:

Clare Parnell (Uni. St Andrews), Bernhard Kliem (Univ. Potsdam and MSSL), Andrew Walsh (MSSL)

Magnetic reconnection is a fundamental process involving topology change and energy release in plasmas and conducting fluids throughout the universe. All events associated with a change in magnetic field connectivity must involve magnetic reconnection. Examples include disruptions in fusion plasmas, the opening of planetary magnetospheres to the interplanetary magnetic field at their dayside magnetopauses, flux closure during substorms in planetary magnetotails, coronal heating, solar eruptions, the entry of interstellar plasma into the heliosphere, the dynamic balance between a star's open and closed magnetic flux, highly efficient particle acceleration in solar and stellar flares and astrophysical jets. Space plasmas are a particularly rich source of information about the mechanisms and consequences of reconnection, with recent missions like Cluster and SDO providing deeper insight and revealing new challenges. Despite intense research, the nature of reconnection processes at microscopic scales are far from understood. Currently two key developments of the field address the two-dimensional breakup of current layers into a cascade of filamentary structures and the related three-dimensional breakup of current layers relating to various topological or geometrical properties of the magnetic field. Both of these processes suggest a transition into a turbulent regime.

The session targets both the UKSP and MIST communities as well as astrophysicists interested in effects related to magnetic fields. We intend to provide a broad forum for the discussion of all relevant observational, experimental and theoretical aspects of magnetic reconnection. Especially welcome will be contributions which emphasize the similarities and differences of reconnection between various astrophysical, magnetospheric and solar phenomena and the key developments mentioned above.

 

This is a complete listing of all 12 entries


Poster Session B
Magnetopause Reconnection Across Wide Local Time.  Malcolm Dunlop
Bluesky Solutions to the Magnetohydrodynamic Trigger Problem  Dr Wayne Arter
Spine-Fan Reconnection: The Influence of Temporal and Spatial Variation in the Driver  Peter Wyper
High latitude observations of magnetotail plasma-sheet plasma in conjunction with a transpolar arc  Robert Fear
Collisionless distribution function for the relativistic force-free Harris sheet  Thomas Neukirch
Simulations of Magnetic Reconnection in the Turbulent Solar Wind  Christopher Haynes

Thursday 29th 10:00-11:15
10:00 In situ measurement of the magnetic reconnection diffusion region in the Earth’s magnetotail  Dr. Jonathan Eastwood
10:15 Evolution of magnetic flux in separator reconnection  A. L. Wilmot-Smith
10:30 Seasonal and clock angle control of the location of flux transfer events signatures at the magnetopa  Robert Fear
10:41 Nonlinear wave propagation and reconnection at an X-point in Hall MHD  James Threlfall
10:52 Non-steady reconnection at a 2D non-force-free current layer  Jorge Fuentes-Fernandez
11:03 3D particle acceleration effects in the PIC approach and their diagnostics from the HCS observations  Prof. V.Zharkova