Dual fermion calculations show that K-point antiferromagnetic spin fluctuations of the half-filled triangular Hubbard model persist from the insulator into the metal, and the computed spectra match qualitative features of neutron and NMR experiments.
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Magnetic and charge susceptibilities in the half-filled triangular lattice Hubbard model
Dual fermion calculations show that K-point antiferromagnetic spin fluctuations of the half-filled triangular Hubbard model persist from the insulator into the metal, and the computed spectra match qualitative features of neutron and NMR experiments.