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Fermi Liquid Theory for Nonlinear Transport through a Multilevel Anderson Impurity by Yoshimichi Teratani; Rui Sakano; Akira Oguri is a Physics and Astronomy article available to read on EtoBox.

What is Fermi Liquid Theory for Nonlinear Transport through a Multilevel Anderson Impurity about?

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 1⁄4 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 ≲ N d ≲ N -1. It significantly affects the current noise for N > 2 and the behavior of noise in magnetic fields.

Who reads Fermi Liquid Theory for Nonlinear Transport through a Multilevel Anderson Impurity?

Author

Yoshimichi Teratani; Rui Sakano; Akira Oguri

Publisher

The American Physical Society; American Physical Society; American Physical Society (APS) (ISSN 0031-9007)

Published

2020

Language

EN

Field

Physics and Astronomy (Physical Sciences)