Two $T$-linear scattering-rate regimes in the triangular lattice Hubbard model
Jérôme Fournier, Pierre-Olivier Downey, Charles-David Hébert, Maxime Charlebois, André-Marie Tremblay
SciPost Phys. 17, 072 (2024) · published 4 September 2024
- doi: 10.21468/SciPostPhys.17.3.072
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Abstract
In recent years, the $T$-linear scattering rate found at low temperatures, defining the strange metal phase of cuprates, has been a subject of interest. Since a wide range of materials have a scattering rate that obeys the equation $ \hbar / \tau ≈ k_B T$, the idea of a universal Planckian limit on the scattering rate has been proposed. However, there is no consensus on proposed theories yet. In this work, we present our results for the $T$-linear scattering rate in the triangular lattice Hubbard model obtained using the dynamical cluster approximation. We find two regions with $T$-linear scattering rate in the $T$-$p$ phase diagram: one emerges from the pseudogap to correlated Fermi liquid phase transition at low doping, whereas the other is solely caused by large interaction strength at large doping.
Authors / Affiliations: mappings to Contributors and Organizations
See all Organizations.- 1 Jérôme Fournier,
- 1 Pierre-Olivier Downey,
- 1 Charles-David Hébert,
- 1 2 Maxime Charlebois,
- 1 André-Marie Tremblay
- 1 Regroupement Québécois sur les Matériaux de Pointe [RQMP]
- 2 Université du Québec à Trois-Rivières / Université du Québec à Trois-Rivières [UQTR]