Three-dimensional Magnetotail Field Topology in a Global Particle Simulation of Solar Wind-Magentosphere interactions with varing IMF

Details Three-dimensional Magnetotail Field Topology in a Global Particle Simulation of Solar Wind-Magentosphere interactions with varing IMF Three-dimensional Magnetotail Field Topology in a Global Particle Simulation of Solar Wind-Magentosphere interactions with varing IMF

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001agufmsm31b0779c&link_type=abstract

American Geophysical Union, Fall Meeting 2001, abstract #SM31B-0779

Physics

2700 Magnetospheric Physics, 2784 Solar Wind/Magnetosphere Interactions

Scientific paper

We present the evolution of magnetic field topology in the magnetotail with a southward IMF in order to identify the magnetic reconnection. Critical points, their numbers, and the rules between them determine the magnetic field topology, if they are not degenerated. At the critical points the magnetic becomes zero. The magnetic vector field manifolds are both integrated out along the principal directions of certain classes of critical points including the Earth's dipole magnetic field. The skeleton which includes the critical points, characteristic manifolds provides the three--dimensional topological structure of the reconnection. The change of the skeleton has revealed the occurrence of magnetic reconnection. Namely, three-dimensional X-points or the connecting two-critical points (or more-than-two-critical-points) ) that are saddle can be transient and changed observing the rules. The change of the topology provides us how some three-dimensional magnetic field topology leads to the reconnections.

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