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VERSION:2.0
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PRODID:UW-Madison-Physics-Events
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SEQUENCE:0
UID:UW-Physics-Event-1632
DTSTART:20100430T210000Z
DURATION:PT1H0M0S
DTSTAMP:20260413T101036Z
LAST-MODIFIED:20100428T124156Z
LOCATION:2241 Chamberlin Hall (coffee at 3:30 pm)
SUMMARY:Plasma Turbulence in the Solar Wind\, Physics Department Collo
 quium\, Bill Dorland\, University of Maryland
DESCRIPTION:Gyrokinetics is a first principles theory for the dynamics
  and thermodynamics of magnetized\, ionized gas.  It has been develope
 d over the last three decades\, primarily in the magnetic confinement 
 fusion community\, where it is widely used to interpret observations a
 nd to design experimental devices and operational scenarios. Gyrokinet
 ic simulations of instabilities and turbulence in hot\, rarefied plasm
 a have been tested carefully in these laboratory settings.  Recently\,
  gyrokinetic ideas and codes have been successfully used to interpret 
 observations of turbulent fluctuations in the solar wind.  While magne
 tohydrodynamics remains the appropriate theory for {it dynamics} in la
 rger\, truly astrophysical plasmas (such as galaxy cluster plasmas)\, 
 the appropriate framework for the study of many interesting thermodyna
 mic processes in astrophysics (such as turbulent heating and transport
 ) is gyrokinetics.  Example applications will be shown.
URL:https://www.physics.wisc.edu/events/?id=1632
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