Diagrammatic Kubo calculation at van Hove singularity yields Re[η(Ω)] ∼ (|Ω|^{3/2} + T^{3/2})/Ω² and dc shear viscosity ∼ T, differing from Boltzmann transport theory.
Non-fermi liquid quasiparticles in strain-tuned sr2ruo4,
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Tunneling spectroscopy reveals Hund-induced superdispersion in Sr2RuO4, matching DFT+DMFT predictions via non-monotonic real-part self-energy.
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Shear Viscosity at the van Hove singularity
Diagrammatic Kubo calculation at van Hove singularity yields Re[η(Ω)] ∼ (|Ω|^{3/2} + T^{3/2})/Ω² and dc shear viscosity ∼ T, differing from Boltzmann transport theory.
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Revealing Hund superdispersion with tunneling spectroscopy
Tunneling spectroscopy reveals Hund-induced superdispersion in Sr2RuO4, matching DFT+DMFT predictions via non-monotonic real-part self-energy.