“New…research has literally and figuratively poked holes in single-band Hubbard physics–a model that has been used to predict and calculate the behavior of high-temperature superconductors for 20 years.

The findings are the first compelling evidence challenging the model under certain conditions, and could necessitate entirely new theoretical approaches to explaining superconductivity in cuprate materials, one of the outstanding mysteries in condensed-matter physics….” Full Slice

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