Disorder-Driven Non-Fermi Liquid Behavior of Correlated Electrons

Abstract

Systematic deviations from standard Fermi-liquid behavior have been widely observed and documented in several classes of strongly correlated metals. For many of these systems, mounting evidence is emerging that the anomalous behavior is most likely triggered by the interplay of quenched disorder and strong electronic correlations. In this review, we present a broad overview of such disorder-driven non-Fermi-liquid behavior, and discuss various examples where the anomalies have been studied in detail. We describe both their phenomenological aspects as observed in experiment, and the current theoretical scenarios that attempt to unravel their microscopic origin.

Final version, as published in the Reports on Progress in Physics

References in corpus (10)

• Weak magnetism and non-Fermi liquids near heavy-fermion critical points
• Fractionalized Fermi liquids
• Quantum phase transitions in the Bose-Fermi Kondo model
• Absence of conventional quantum phase transitions in itinerant systems with disorder
• Localization effects and inelastic scattering in disordered heavy electrons
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