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Condensed Matter > Strongly Correlated Electrons
Title: Resistivity Exponents in 3D-Dirac Semimetals From Electron-Electron Interaction
(Submitted on 14 Dec 2020)
Abstract: We study the resistivity of three-dimensional semimetals with linear dispersion in the presence of on-site electron-electron interaction. The well-known quadratic temperature dependence of the resistivity of conventional metals is turned into an unusual $T^6$-behavior. An analogous change affects the thermal transport, preserving the linearity in $T$ of the ratio between thermal and electrical conductivities. These results hold from weak coupling up to the non-perturbative region of the Mott transition. Our findings yield a natural explanation for the hitherto not understood large exponents characterizing the temperature-dependence of transport experiments on various topological semimetals.
Submission history
From: Giorgio Sangiovanni [view email][v1] Mon, 14 Dec 2020 19:10:28 GMT (1888kb,D)
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