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TZID:Europe/Paris
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BEGIN:VEVENT
UID:1-59@lptms.universite-paris-saclay.fr
DTSTART:20120925T110000Z
DTEND:20120925T120000Z
DTSTAMP:20120907T082009Z
URL:http://www.lptms.universite-paris-saclay.fr/seminars/seminaire-du-lptm
 s-a-bouzdin/
SUMMARY:Séminaire du LPTMS: A. Bouzdin - LPTMS\, salle 201\, 2ème étage\
 , Bât 100\, Campus d'Orsay - 25 Sep 12 11:00
DESCRIPTION:Non-uniform (FFLO) states and quantum  oscillations in supercon
 ductors and superfluid ultracold Fermi gases\nA. Buzdin\, Université de B
 ordeaux\nA long time ago\, it was predicted by Larkin and Ovchinnikov and 
 Fulde and Ferrell that the non-uniform superconducting state (FFLO state) 
 must appear in the magnetic field acting on the electron spins.  We start 
 with the discussion of the distinctive features of the Fulde-Ferrell-Larki
 n-Ovchinnikov (FFLO) non-uniform superconducting state and review recent e
 xperiments on the heavy fermion superconductor CeCoIn5  and layered organi
 c superconductors providing strong evidences in favor of FFLO phase observ
 ation.  It is demonstrated that in 2D ( or quasi 2D) superconductors the F
 FLO state leads to an appearance of a very special oscillatory – like de
 pendence of the upper critical field versus the field orientation.\nIntere
 stingly\, in the superconductor-ferromagnet heterostructures the FFLO-like
  state may result in the formation of the Josephson junction with a sponta
 neous phase difference.\nThe FFLO-type instability may be also expected in
  ultracold Fermi gases in magneto-optical traps. In these systems it is ca
 used not by the Zeeman interaction but by the tuning of the population imb
 alance between two lowest hyperfine states of the atoms. We briefly discus
 s the properties of such FFLO state and analyze the role the trapping pote
 ntial confining the condensate.\n
LOCATION:LPTMS\, salle 201\, 2ème étage\, Bât 100\, Campus d'Orsay\, 15 
 Rue Georges Clemenceau\, Orsay\, 91405\, France
GEO:48.698185;2.181768
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=15 Rue Georges Clemenceau\,
  Orsay\, 91405\, France;X-APPLE-RADIUS=100;X-TITLE=LPTMS\, salle 201\, 2è
 me étage\, Bât 100\, Campus d'Orsay:geo:48.698185,2.181768
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