In the dilute limit of the 1D infinite-U Hubbard model the charge Drude weight admits a closed-form expression whose low-temperature expansion, after regularization of the singular contribution, yields linear-in-T resistivity.
van der Marel, et al., Quantum Critical Behaviour in a High-Tc Superconductor
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Numerical study of the t-J model finds strange metallicity pervasive when AF order is suppressed, with Planckian behavior rooted in the quantum statistical nature of the charge response.
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Transport and Temperature 1: Exact spectrum and resistivity for the one-dimensional infinite-$U$ Hubbard model
In the dilute limit of the 1D infinite-U Hubbard model the charge Drude weight admits a closed-form expression whose low-temperature expansion, after regularization of the singular contribution, yields linear-in-T resistivity.
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Strange metal transport from coupling to fluctuating spins
Numerical study of the t-J model finds strange metallicity pervasive when AF order is suppressed, with Planckian behavior rooted in the quantum statistical nature of the charge response.