Wednesday, April 28, 2010, 2:00 pm — Large Seminar Room, Bldg. 510
I will begin with a simple introduction to the theory of quantum criticality,
as applied to experiments on certain insulating antiferromagnets.
I will then survey the phenomenology of the
cuprate high temperature superconductors, and show how ideas from
quantum criticality have helped explain or predict the results of a number
of recent experiments. The applications to the cuprates focus
attention on key problems associated with the criticality
of Fermi surfaces in two dimensions which remain unresolved. I will describe how these open problems are being addressed by the AdS/CFT correspondence discovered in string theory.
Hosted by: Sally Dawson
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