Sign-free DQMC on three-valley Hubbard models at three electrons per cell maps an extended intermediate-coupling regime with competing local-moment formation and itinerancy, plus U(6) crossovers to ordered states, for near-isotropic interactions relevant to materials like twisted SnSe2.
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DQMC simulations of the doped Hubbard model find that Hall conductivity, unlike robust T-linear resistivity, is sensitive to asymmetry and Fermi surface details and reveals a crossover to quantum-coherent transport.
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Hidden antiferromagnetism, persistent valley fluctuations, and $U(6)$ crossovers in triangular-lattice M-point moir\'e materials via determinantal quantum Monte Carlo
Sign-free DQMC on three-valley Hubbard models at three electrons per cell maps an extended intermediate-coupling regime with competing local-moment formation and itinerancy, plus U(6) crossovers to ordered states, for near-isotropic interactions relevant to materials like twisted SnSe2.
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Hall conductivity reveals the nature of quantum coherence in strongly correlated metals
DQMC simulations of the doped Hubbard model find that Hall conductivity, unlike robust T-linear resistivity, is sensitive to asymmetry and Fermi surface details and reveals a crossover to quantum-coherent transport.