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Condensed Matter Seminar: "Quantum Criticality in High Temperature Superconducting Cuprates"

SpeakerDr. Akady Shehter, Los Alamos National Laboratory
Date Nov 1, 2013
Time 1:00 pm  
Location 190 Engineering Sciences Bldg - corner Goodwin & Springfield 
Sponsor Physics
Contact Jason Maldonado
Phone 217.300.6431
Event type Seminar/Symposium
Views 6861

Anomalous transport behavior in near-optimally-doped high temperature superconducting cuprates has been linked to fluctuations associated with a quantum critical point. Using resonant ultrasound spectroscopy we find evidence for a phase boundary inside the superconducting dome in the temperature-doping phase diagram of YBCO cuprates. This suggests a quantum critical point near optimal doping that is hidden by superconductivity.

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