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SUMMARY:The heavy-fermion compound CeRhIn5: d-wave superconductivity and d
 ensity waves - Dr Philip Moll\, Solid State Physics Laboratory\, ETH Zuric
 h.
DTSTART:20141015T101500Z
DTEND:20141015T111500Z
UID:TALK55355@talks.cam.ac.uk
CONTACT:Helen Verrechia
DESCRIPTION:The heavy-fermion compound CeRhIn5: d-wave superconductivity a
 nd density waves\nThe recent observation of charge-density-waves in variou
 s cuprate superconductors has attracted significant interest and once more
  highlighted the importance of multiple\, co-existing and potentially comp
 eting phases in strongly correlated systems. The heavy-fermion CeRhIn5 ord
 ers anti-ferromagnetically at 3.8K and the application of moderate pressur
 e around 2GPa induces unconventional d-wave superconductivity\, most likel
 y mediated by spin-fluctuations of the suppressed AFM order. \nWe found ev
 idence for an additional phase in this compound: a field induced density-w
 ave. The phase transition is signaled by a hysteretic jump more than doubl
 ing the in-plane resistivity accompanied by the appearance of non-linear e
 lectrical transport at high magnetic fields (>28T)\, which are the distinc
 tive characteristics of density-wave like states. A Fermi-surface reconstr
 uction at the transition is indicated by the appearance of new Shubnikov-d
 e Haas frequencies.\n
LOCATION:Mott Seminar Room (531)\, Cavendish Laboratory\, Department of Ph
 ysics
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