In the Hubbard model for twisted bilayer cuprates at U/t=3.85, the Chern number is ±8 in the electron-doped regime and 0 in the hole-doped regime, confirmed by edge-state analysis.
Potthoff, Variational Cluster Approximation, in DMFT at 25: Infinite dimensions, Lecture Notes of the Autumn School on Correlated Electrons 2014, edited by E
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Topological superconductivity in a Hubbard model for twisted bilayer cuprates
In the Hubbard model for twisted bilayer cuprates at U/t=3.85, the Chern number is ±8 in the electron-doped regime and 0 in the hole-doped regime, confirmed by edge-state analysis.