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SUMMARY:Renormalisation group and critical phenomena - 3 - Gordon Slade (U
 niversity of British Columbia)
DTSTART:20180907T103000Z
DTEND:20180907T113000Z
UID:TALK109303@talks.cam.ac.uk
CONTACT:INI IT
DESCRIPTION:The understanding of critical phenomena via the renormalisatio
 n group approach is one of the great achievements of theoretical physics d
 uring the last half of the previous century.  This series of lectures will
  begin with an introduction to the critical behaviour of the phi^4 lattice
  spin system and its supersymmetric counterpart (the weakly self-avoiding 
 walk).  The lectures will mainly be occupied with an introduction to a rig
 orous renormalisation group method that has been developed and used to com
 pute critical exponents for these models in the upper critical dimension d
 =4\, and also below the critical dimension for long-range models.  The lec
 tures are based on collaborations with David Brydges and Roland Bauerschmi
 dt.
LOCATION:Seminar Room 1\, Newton Institute
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