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SUMMARY:An exponential integrator for the 4D-Vlasov-Poisson system with st
 rong magnetic field - Emmanuel Frenod\, Bretagne-Sud
DTSTART:20150302T150000Z
DTEND:20150302T160000Z
UID:TALK57923@talks.cam.ac.uk
CONTACT:Harsha Hutridurga
DESCRIPTION:With the aim of solving in a four dimensional phase space a mu
 lti-scale\nVlasov-\nPoisson system\, we propose in a Particle-In-Cell fram
 ework a robust\ntime-stepping\nmethod that works uniformly when the small 
 parameter vanishes. As an\nexponential\nintegrator\, the scheme is able to
  use large time steps with respect to the\ntypical size of\nthe solution
 ’s fast oscillations. In addition\, we show numerically that the\nmethod
  has\naccurate long time behaviour and that it is asymptotic preserving wi
 th respect\nto the\nlimiting Guiding Center system.
LOCATION:CMS\, MR13
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