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SUMMARY:Novel quantum phases on Kondo lattices due to quantum criticality 
 and geometrical frustraton - Satoru Nakatsuji\, ISSP Tokyo
DTSTART:20080915T101500Z
DTEND:20080915T111500Z
UID:TALK13508@talks.cam.ac.uk
CONTACT:Michael Sutherland
DESCRIPTION:Novel quantum phases in non Fermi liquids that emerge upon sup
 pression of a magnetic phase have been one of the focuses of condensed mat
 ter physics. One of the well studied examples is exotic superconductivity 
 near the quantum criticality of heavy fermion systems. On the other hand\,
  geometrical frustration approach provides another way to suppress convent
 ional magnetism\nand promote a novel low temperature phase. Here\, I will 
 talk about our recent findings of two different examples for such phenomen
 a. One is on the superconductivity and quantum criticality observed in the
  first Yb based heavy fermion superconductor YbAlB4. The other is the spin
  liquid phase of the geometrically frustrated Kondo lattice Pr2Ir2O7 that 
 exhibits a\n"spontaneous" anomalous Hall effect.\n
LOCATION:Mott Seminar Room\, Cavendish Laboratory\, Department of Physics
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