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UID:20251123T034913EST-6183uiXaiM@132.216.98.100
DTSTAMP:20251123T084913Z
DESCRIPTION:Conformal field theories and quantum phase transitions: an enta
 nglement perspective.\n\nQuantum phase transitions occur when a quantum sy
 stem undergoes a sharp change in its groundstate\, e.g. between a ferro- a
 nd para-magnet. I will present a remarkable set of transitions\, called qu
 antum critical\, that are described by conformal field theories (CFTs). I 
 will focus on 2 and 3 spatial dimensions\, where the conformal symmetry is
  powerful yet less constraining than in 1d. We will probe these scale-inva
 riant theories via the structure of their quantum entanglement. The method
 s will include large-N expansions\, the AdS/CFT duality from string theory
 \, large-scale numerical simulations\, and the bootstrap approach.\n
DTSTART:20170207T203000Z
DTEND:20170207T203000Z
LOCATION:Room 4336\, CA\, QC\, Montreal\, H3T 1J4\, Pavillon André-Aisensta
 dt\, 2920\, Chemin de la tour\, 5th floor
SUMMARY:William Witczak-Krempa\, Dépt. de physique\, Université de Montréal
URL:/mathstat/channels/event/william-witczak-krempa-de
 pt-de-physique-universite-de-montreal-265560
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