A controlled expansion in s² for electrons with concentrated kinematics allows analytical calculations of spectral broadening, T-linear resistivity in bad metals, and spectral functions in Mott semimetals for Hubbard and Chern band models.
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A dispersionless topological flat band with p-orbital character around the U-K line and type-I/II saddle points connected by a flat band enhance DOS near the Fermi level in CsBi2.
A GW+RPA perturbation framework built on Hartree-Fock is applied to hBN-aligned rhombohedral pentalayer graphene and magic-angle twisted bilayer graphene, producing phase diagrams and spectra that match experiments and predicting a nematic metal ground state at charge neutrality in MATBG.
citing papers explorer
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Controlled expansion for correlated electrons with concentrated kinematics
A controlled expansion in s² for electrons with concentrated kinematics allows analytical calculations of spectral broadening, T-linear resistivity in bad metals, and spectral functions in Mott semimetals for Hubbard and Chern band models.
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Type-I and Type-II Saddle Points and a Topological Flat Band in a Bi-Pyrochlore Superconductor CsBi2
A dispersionless topological flat band with p-orbital character around the U-K line and type-I/II saddle points connected by a flat band enhance DOS near the Fermi level in CsBi2.
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General Many-Body Perturbation Framework for Moir\'e Systems
A GW+RPA perturbation framework built on Hartree-Fock is applied to hBN-aligned rhombohedral pentalayer graphene and magic-angle twisted bilayer graphene, producing phase diagrams and spectra that match experiments and predicting a nematic metal ground state at charge neutrality in MATBG.