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SUMMARY:The properties of quantum turbulence: the homogeneous isotropic ca
 se - Barenghi\, CF (Newcastle University)
DTSTART:20121203T103000Z
DTEND:20121203T111000Z
UID:TALK41780@talks.cam.ac.uk
CONTACT:Mustapha Amrani
DESCRIPTION:Quantum mechanics constrains the rotational motion of superflu
 id helium to discrete\, vortex filaments of fixed circulation and atomic t
 hickness (quantum vortices). A state of "quantum turbulence" can be easily
  created by stirring the liquid helium thermally or mechanically. In this 
 talk I shall review recent experiments and numerical calculations which ha
 ve revealed remarkable similarities between this form of turbulence and tu
 rbulence in ordinary fluids. Classical behaviour (such as the celebrated K
 olmogorov energy spectrum) seems to arise from the coherence of many quant
 a of elementary circulation. \n
LOCATION:Seminar Room 1\, Newton Institute
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