Physics Colloquium: Electronic Nematic Phases

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 near optimal doping.

Monday, 28 October, 2013


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