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UID:DSC-9189
DTSTART;TZID=Europe/Berlin:20150423T110000
SEQUENCE:1429775519
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20150423T120000
URL:https://www.dresden-science-calendar.de/calendar/de/detail/9189
LOCATION:IFW\, Helmholtzstraße 2001069 Dresden
SUMMARY:Betouras: Lifshitz transition of Fermi surfaces: examples and conse
 quences on NaxCoO2
CLASS:PUBLIC
DESCRIPTION:Speaker: Dr. Joseph Betouras\nInstitute of Speaker: Department 
 of Physics\, Loughborough University / UK\nTopics:\nMaterialien\, Physik\n
  Location:\n  Name: IFW (D2E.27\, IFW Dresden)\n  Street: Helmholtzstraße
  20\n  City: 01069 Dresden\n  Phone: \n  Fax: \nDescription: Recently\, th
 e theory of topological Lifshitz transition has become the focus of much a
 ttention in complex materials such as high-Tc superconductors\, heavy ferm
 ions compounds etc. In this talk\, after briefly reviewing the basic conce
 pts and presenting an example topological Lifshitz transitions involving d
 ipolar fermions in optical  lattices\, we will focus on the case of itiner
 ant electrons close to a ferromagnetic quantum critical point.  In the lat
 ter case\, the motivation  is provided by recent experiments on the comple
 x material NaxCoO2. We examine the role of paramagnetic fluctuations in th
 e  development of an additional Fermi surface. We then focus on latest res
 ults on explaining the specific heat data of NaxCoO2 and its rich physics 
 upon doping. .
DTSTAMP:20260509T060404Z
CREATED:20150416T074647Z
LAST-MODIFIED:20150423T075159Z
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