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Caltech

Physics Research Conference

Thursday, October 4, 2012
4:00pm to 5:00pm
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East Bridge 201 (Richard P. Feynman Lecture Hall)
Electronic nematic phases in high temperature superconductors
Ian Fisher, Stanford University,
Borrowing language from the field of soft condensed matter, electronic nematic phases in crystalline systems break a discrete rotational symmetry of the crystal lattice without further breaking translational symmetry. In this talk I'll outline methods to measure an associated quantity, the nematic susceptibility, which diverges towards a nematic phase transition. These measurements directly reveal the presence of an electronic nematic phase transition in a family of high temperature superconductors, and an associated quantum phase transition at optimal doping.
For more information, please contact Sheri Stoll by phone at 395-6608 or by email at [email protected] or visit http://www.pma.caltech.edu/~physcoll/PhysColl.html.