Tunable t-t^{'}-U Hubbard Models in Twisted Square Homobilayers.
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DOI: 10.1103/physrevlett.134.236503
Abstract: Square lattice Hubbard model with tunable hopping ratio t^{'}/t is highly promising for realizing a variety of quantum phases, including higher-temperature superconductivity. We show that twisted square lattice homobilayers offer such tunability when the flat… read more here.
Keywords: models twisted; tunable hubbard; square lattice; hubbard ... See more keywords