A universal magnetic energy scale J* emerges at finite doping in the Fermi-Hubbard model, controlling magnetic correlations, bimagnon spectra, pseudogap onset, and the transition to incommensurate spin-density waves.
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SU(2) gauge theory plus DMFT with long-wavelength magnetic fluctuations produces damping asymmetry in chargon hole pockets that forms Fermi arcs in the underdoped regime.
Cluster perturbation theory on the Hubbard model yields doping- and temperature-dependent electronic and spin spectra that qualitatively match cuprate experiments, with short-range antiferromagnetism implicated in pseudogap formation.
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Universal magnetic energy scale in the doped Fermi-Hubbard model
A universal magnetic energy scale J* emerges at finite doping in the Fermi-Hubbard model, controlling magnetic correlations, bimagnon spectra, pseudogap onset, and the transition to incommensurate spin-density waves.
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The pseudogap in high-$T_c$ superconductors from SU(2) gauge symmetry and dynamic correlation effects
SU(2) gauge theory plus DMFT with long-wavelength magnetic fluctuations produces damping asymmetry in chargon hole pockets that forms Fermi arcs in the underdoped regime.
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Doping- and temperature-dependent electronic structure and spin dynamics in the Hubbard model on a square lattice within cluster perturbation theory
Cluster perturbation theory on the Hubbard model yields doping- and temperature-dependent electronic and spin spectra that qualitatively match cuprate experiments, with short-range antiferromagnetism implicated in pseudogap formation.