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SUMMARY:CM Seminar: Real-Space Superconductivity: Schafroth\, Bipolarons\, Cuprates\, Pavel Kornilovich (Oregon State University)
DESCRIPTION:Speaker: Pavel Kornilovich\, Oregon State University \nTime: 10:00-11:00am \nLocation: BRIM 311 \nTitle: Real-Space Superconductivity: Schafroth\, Bipolarons\, Cuprates \nAbstract: The idea that superconductivity might arise from the condensation of real-space electron pairs was proposed by Swiss physicist Robert Schafroth several years before the development of BCS theory. Although this concept is now known as Bose-Einstein-condensation superconductivity\, Schafroth’s contributions are largely forgotten. In this talk\, I will briefly review Schafroth’s work and his complex relationships with John Bardeen and Leon Cooper. I will then describe a version of real-space superconductivity involving phonon bipolarons as normal-state charge carriers. I argue that anisotropic bipolarons account for many of the properties of the copper-oxide superconductors discovered in 1986. I will discuss how a deeper understanding of bipolarons might help raise the critical temperature beyond the current record of 133 K.
URL:https://qmi.ubc.ca/event/cm-seminar-real-space-superconductivity-schafroth-bipolarons-cuprates-pavel-kornilovich-oregon-state-university/
LOCATION:BRIM 311\, 2355 East Mall\, Vancouver\, British Columbia\, V6T 1Z4\, Canada
CATEGORIES:CM Seminar
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