Kondo behavior in the asymmetric Anderson model: Analytic approach

Details Kondo behavior in the asymmetric Anderson model: Analytic approach Kondo behavior in the asymmetric Anderson model: Analytic approach

2007-09-06

arxiv.org/abs/0709.0913v1

Phys. Rev. B 77, 085106 (2008)

Physics

Condensed Matter

Strongly Correlated Electrons

REVTeX4, 11 pages, 5 EPS figures

Scientific paper

10.1103/PhysRevB.77.085106

The low-temperature behavior of the asymmetric single-impurity Anderson model is studied by diagrammatic methods resulting in analytically controllable approximations. We first discuss the ways one can simplify parquet equations in critical regions of singularities in the two-particle vertex. The scale vanishing at the critical point defines the Kondo temperature at which the electron-hole correlation function saturates. We show that the Kondo temperature exists at any filling of the impurity level. A quasiparticle resonance peak in the spectral function, however, forms only in almost electron-hole symmetric situations. We relate the Kondo temperature with the width of the resonance peak. Finally we discuss the existence of satellite Hubbard bands in the spectral function.

Affiliated with

Also associated with

No associations

Rating

Kondo behavior in the asymmetric Anderson model: Analytic approach does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Kondo behavior in the asymmetric Anderson model: Analytic approach, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Kondo behavior in the asymmetric Anderson model: Analytic approach will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-658216