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Article Dans Une Revue SciPost Physics Année : 2023

A quantum theory of the nearly frozen charge glass

Résumé

We study long-range interacting electrons on the triangular lattice using mixed quantum/classical simulations going beyond the usual classical descriptions of the lattice Coulomb fluid. Our results in the strong interaction limit indicate that the proliferation of quantum defects governs the low-temperature dynamics of this strongly frustrated system. The present theoretical findings explain the phenomenology observed in the \theta θ -ET _2 2 X materials as they fall out of equilibrium, including glassiness, resistive switching and a strong sensitivity to the electronic structure anisotropy. The method devised here can be easily generalized to address other systems and devices where itinerant and correlation-localized degrees of freedom are intertwined on short lengthscales.

Dates et versions

hal-04298717 , version 1 (21-11-2023)

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Simone Fratini, Katherine Driscoll, Sergio Ciuchi, Arnaud Ralko. A quantum theory of the nearly frozen charge glass. SciPost Physics, 2023, 14 (5), pp.124. ⟨10.21468/SciPostPhys.14.5.124⟩. ⟨hal-04298717⟩

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