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SUMMARY:Development of singularities in relaxing magnetic fields - Bajer\,
  K (Uniwersytet Warszawski)
DTSTART:20120807T103000Z
DTEND:20120807T113000Z
UID:TALK39215@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:When a magnetic field relaxes to the state of magnetostatic eq
 uilibrium\, discontinuities\, called current-sheets are likely to form. In
  a perfectly conducting medium the relaxation process is subject to topolo
 gical constraints. In a medium of very large\, but finite conductivity cur
 rent sheets play an important role as they are the places where the topolo
 gical constraints are broken and the medium is heated by strong electrical
  currents. I discuss magnetic relaxation and current sheet formation in th
 e simplest\, one-dimensional configuration and in complex\, three-dimensio
 nal chaotic fields.\n
LOCATION:Seminar Room 1\, Newton Institute
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