Illuminating a Second 'Kink' in High-Tc Superconductors

There’s another kink in the mystery of high-temperature (Tc) superconductors – literally. Using photoemission studies at the NSLS, a group of researchers has revealed a new anomaly, or “kink,” in the energy spectrum of high-energy electrons in two different families of cuprate superconductors, further complicating their quest to discover exactly how the materials conduct electricity with zero resistance.

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