Particle doping of the triangular Hubbard model yields a Nagaoka supermetal whose anomalous transport and thermodynamic properties arise from a power-law divergent density of states at a higher-order Van Hove singularity.
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UCd11 is a highly localized 5f^3 system, and the absence of satellite structures in core-level spectra is not a reliable sign of itinerant 5f behavior.
Extended KK-IPT accurately reproduces AMEA results for correlated impurity transport at moderate temperatures and biases away from half filling, remaining stable in low-T low-bias regimes.
CeCoGe3 is a topological nodal line Kondo semimetal in which correlations and spin-orbit coupling stabilize flat nodal lines near the Fermi level that may mediate pressure-induced superconductivity.
Derives an exact downfolded effective model by integrating out the rest space, states conditions for perturbative truncation, and formally recovers cRPA with corrections.
citing papers explorer
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Nagaoka supermetal in the particle-doped triangular Hubbard model
Particle doping of the triangular Hubbard model yields a Nagaoka supermetal whose anomalous transport and thermodynamic properties arise from a power-law divergent density of states at a higher-order Van Hove singularity.
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UCd$_{11}$: A strongly localized 5$f^3$ material
UCd11 is a highly localized 5f^3 system, and the absence of satellite structures in core-level spectra is not a reliable sign of itinerant 5f behavior.
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Extension of the iterated perturbation theory at arbitrary fillings to nonequilibrium steady states
Extended KK-IPT accurately reproduces AMEA results for correlated impurity transport at moderate temperatures and biases away from half filling, remaining stable in low-T low-bias regimes.
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Flat Topological Nodal Lines in Heavy-Fermion Compound CeCoGe$_3$
CeCoGe3 is a topological nodal line Kondo semimetal in which correlations and spin-orbit coupling stabilize flat nodal lines near the Fermi level that may mediate pressure-induced superconductivity.
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Exact downfolding and its perturbative approximation
Derives an exact downfolded effective model by integrating out the rest space, states conditions for perturbative truncation, and formally recovers cRPA with corrections.