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SUMMARY:Fluctuation-induced pair density wave in itinerant ferromagnets - 
 Gareth Conduit\, Research Fellow\, University of Cambridge
DTSTART:20130206T120000Z
DTEND:20130206T130000Z
UID:TALK41148@talks.cam.ac.uk
CONTACT:Michael Sutherland
DESCRIPTION:Magnetic fluctuations near to quantum criticality can lead to 
 characteristic scaling at high temperature which may ultimately give way t
 o a reconstruction of the phase diagram and the formation of new phases at
  low temperatures. The ferromagnet UGe2 is unstable to p-wave superconduct
 ing order whereas in CeFePO fluctuations drive the formation of spiral mag
 netic order. Here we develop a general quantum-by-disorder description of 
 these systems that encompasses both of these instabilities in a unified fr
 amework. Moreover\, in revealing their fundamentally common origin\, we de
 monstrate how these instabilities can become intertwined to form a pair de
 nsity wave.
LOCATION:Small Lecture Theatre\, Cavendish Laboratory\, Department of Phys
 ics
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