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SUMMARY:Quantum and classical turbulence: Alike or different? - Kerr\, RM 
 (Warwick University)
DTSTART:20121203T111000Z
DTEND:20121203T113000Z
UID:TALK41776@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:The question of how alike and different quantum and classical 
 turbulence are will be addressed using simulations of anti-parallel vortex
  reconnection. The equations solved are: For quantum fluids the Gross-Pita
 evskii equation and for classical turbulence the incompressible Navier-Sto
 kes equation. For the two cases the initial attraction of the vortices\, b
 efore the first reconnection\, are quite similar. And for both\, the final
  states are composed of a stack of vortex rings from which a -5/3 kinetic 
 energy spectrum appears. However\, almost everything in between is differe
 nt\, starting with the differences in the underlying physics of the circul
 ation during reconnection. This presentation will describe these differenc
 es.\n
LOCATION:Seminar Room 1\, Newton Institute
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