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CATEGORIES:Quantum Matter Seminar
SUMMARY:Thermal Conductivity in Quantum Materials Research
  - Prof. Robert Hill\, Department of Physics and A
 stronomy\, University of Waterloo
DTSTART;TZID=Europe/London:20180124T111500
DTEND;TZID=Europe/London:20180124T123000
UID:TALK98257AThttp://talks.cam.ac.uk
URL:http://talks.cam.ac.uk/talk/index/98257
DESCRIPTION:Thermal conductivity measurements constitute a bul
 k and directional probe of all delocalized excitat
 ions in materials.  The dependence of the conducti
 vity on temperature and magnetic field can be used
  to identify novel excitations and phase transitio
 ns in quantum materials.  In this talk\, I will de
 scribe how measurements are made at ultralow tempe
 ratures and present results on so-called 'spin-ice
 ' materials whose elementary excitations are analo
 gous to mobile magnetic monopoles.  Our study incl
 udes some interesting observations on the effects 
 of disorder on these materials.
LOCATION:Mott Seminar Room (531)\, Cavendish Laboratory\, D
 epartment of Physics
CONTACT:Romy Hall
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