Fermi liquid theory for nonlinear transport through a multilevel Anderson impurity

Abstract

We present a microscopic Fermi-liquid view on the low-energy transport through an Anderson impurity with $N$ discrete levels, at arbitrary electron filling $N_d$. It is applied to nonequilibrium current fluctuations, for which the two-quasiparticle collision integral and the three-body correlations that determine the quasiparticle energy shift play important roles. Using the numerical renormalization group up to $N=6$, we find that for strong interactions the three-body fluctuations are determined by a single parameter other than the Kondo energy scale in a wide filling range $1\lesssim N_d\lesssim N-1$. It significantly affects the current noise for $N>2$ and the behavior of noise in magnetic fields.

arXiv comment5 pages, 8 figures, supplemental material containing 8 figures

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Cited by in corpus (14)

• Shot Noise in Mesoscopic Systems: from Single Particles to Quantum Liquids
• Three-body correlations in nonlinear response of correlated quantum liquid
• Delta-T noise in the Kondo regime
• Current noise and Keldysh vertex function of an Anderson impurity in the Fermi liquid regime
• Phase-Coherent Dynamics of Quantum Devices With Local Interactions
• Nonlinear Fermi-liquid transport through a quantum dot in asymmetric tunnel junctions
• Thermoelectric properties of a double quantum dot out of equilibrium in Kondo and intermediate valence regimes
• Role of bias and tunneling asymmetries in nonlinear Fermi-liquid transport through an SU($N$) quantum dot
• Thermoelectric transport and current noise through a multilevel Anderson impurity: Three-body Fermi-liquid corrections in quantum dots and magnetic alloys
• Role of asymmetry in thermoelectric properties of a double quantum dot out of equilibrium
• Kondo Temperature Evaluated from Linear Conductance in Magnetic Fields
• Three-body Fermi liquid corrections for an infinite-$U$ SU($N$) Anderson impurity model
• Three-body Fermi-liquid corrections for Andreev transport through quantum dots
• Fractional shot noise of an SU(N) Kondo system