Kyoto Experiment Finds Shear Strain Has No Effect on Strontium Ruthenate Superconductivity, Deepening a 30-Year Mystery
A Kyoto University team applied three types of shear strain to ultra-thin crystals of the unconventional superconductor Sr2RuO4 and found virtually no change in its transition temperature, ruling out several leading theoretical models and opening new questions about the material's pairing symmetry.
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