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Letter
Nature Physics 4, 108–111 (1 February 2008) | doi:10.1038/nphys835
Visualization of the interplay between high-temperature superconductivity, the pseudogap and impurity resonances
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Abstract
In conventional superconductors, the superconducting gap in the electronic excitation spectrum prevents scattering of low-energy electrons. In high-temperature superconductors (HTSs), an extra gap, the pseudogap, develops well above the superconducting transition temperature TC.
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