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SUMMARY:Why is it useful to treat the magnetosphere as a complex system ? 
 - Nickolas watkins (BAS)
DTSTART:20090319T103000Z
DTEND:20090319T113000Z
UID:TALK17494@talks.cam.ac.uk
CONTACT:Christian Franzke
DESCRIPTION:The magnetosphere is quite clearly "complex" as the word is\nu
 sed in everyday speech. However\, in the last 15 to 20 years there has\nbe
 en a growing thread in magnetospheric physics which draws from\, and\ndeve
 lops\, the emerging set of concepts and techniques which are now maturing\
 nto form a  science of complex systems. Here "complexity" has a more\nspec
 ific meaning\, usually implying system properties which cannot\nsimply be 
 deduced from the properties of the component parts. A\nparticularly well-s
 tudied set of system properties has been derived\nfrom those used in the s
 tudy of critical phenomena in condensed matter\nphysics\, notably  correla
 tion functions\, power spectra and burst\ndistributions. I will talk about
  these 3 measurements\, why\nthey have been made\, how they have been adap
 ted to the magnetospheric\ncontext\, what they have told us so far and wha
 t I think the current\nissues are  in their interpretation. I will also sk
 etch some future\ndirections. My own work has been done with many colleagu
 es but I would\nparticularly like to acknowledge Mervyn Freeman (BAS) and 
 Sandra Chapman (Warwick) for\ncollaboration over many years.
LOCATION:British Antarctic Survey\, Room 330B
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