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This Week at Physics

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Event Number 1747

  Friday, October 1st, 2010

Physics Department Colloquium
The Phase Diagrams of the High Temperature Superconductors
Time: 4:00 pm
Place: 2241 Chamberlin Hall (coffee at 3:30 pm)
Speaker: Subir Sachdev, Harvard
Abstract: The last three decades have witnessed the discovery of many new superconductors, with properties dramatically different from the conventional low temperature superconductors described by the Bardeen-Cooper-Schrieffer theory. These new superconductors can have much higher critical temperature, and all display antiferromagnetism in their phase diagrams. I will highlight important experimental discoveries of the past two years, and argue that they support a unifying theory and phase diagram for these new superconductors. I will also note the still mysterious &quot;strange metal&quot; region of the phase diagram, and its recent holographic description by methods drawn from string theory.
Host: Chubukov
Poster: http://www.physics.wisc.edu/twap/posters/2010/1747.pdf
Video: http://www.physics.wisc.edu/vod/2010/10/01.html
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