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This Week at Physics

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Events on Thursday, April 21st, 2011

R. G. Herb Condensed Matter Seminar
Interactions and superconductivivity in the polaronic Fermi liquid SrTiO3
Time: 10:00 am
Place: 5310 Chamberlin
Speaker: Dirk van der Marel, University of Geneva
Abstract: SrTiO3 is a semiconductor which, when doped with a low density of electrons, becomes superconducting with a dome-shaped doping dependence of the superconducting transition temperature. I will present optical, transport and specific heat data, and discuss a unified approach to the transport properties and superconductivity, showing that superconductivity emerges out of a liquid of interacting polarons. This interaction is rather weak, disfavouring the picture of uncondensed bipolarons above Tc.
Host: Maxim Vavilov & Andrey Chubukov
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NPAC (Nuclear/Particle/Astro/Cosmo) Forum
Recent Results From The VERITAS TeV Gamma-Ray Observatory
Time: 4:00 pm
Place: 4274 Chamberlin Hall
Speaker: Andrew Smith, Argonne National Laboratory
Host: Stefan Westerhoff
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