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SUMMARY:Fermi surface reconstruction and superconducting fluctuations in u
 nderdoped cuprates
DTSTART:20110411T131500
DTSTAMP:20260510T165033Z
UID:4fc9029a61f79bd1c59a3d12ac5a47fc7f3cd5265810cebc45f3aa0d
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr. Johan Chang\, Laboratory for Neutron and Synchrotron Spect
 roscopy\, PSI & EPFL\nThe mechanism of high temperature superconductivity 
 and the so-called pseudogap phase in the cuprate materials has yet to be s
 ettled. This talk will focus on the mysterius pseudogap problem\; is it a 
 precursor to superconductivity or a competing phase? The Nernst effect bei
 ng extremely sensitive to both electronic transformations and superconduct
 ing fluctuations is therefore a powerfull and important technique in the s
 tudy of the pseudogap phase. We will present new Nernst effect data on und
 erdoped cuprates and discuss the nature of the superconducting flucutuatio
 ns in the cuprates. Are these predominately phase or amplitude fluctuation
 s and what is the relation to the pseudogap phase? These are questions tha
 t will be addressed.
LOCATION:PH L1 503
STATUS:CONFIRMED
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