The Kondo Lattice Model in Infinite Dimensions I. Formalism

Abstract

A Green-function formalism for the Kondo lattice model is presented, which is designed to be combined with the dynamical mean-field theory. With use of Wick's theorem only for conduction electrons, dynamical quantities are represented in terms of the t-matrix and its two-particle generalizations. By taking the high-frequency limit of the t-matrix with respect to a part of the fermion frequencies, one obtains dynamical correlation functions of localized moments. Explicit examples of calculational steps are provided with use of the continuous-time quantum Monte Carlo method.

13 pages, 10 figures

References in corpus (5)

• A continuous-time solver for quantum impurity models
• Continuous Time Quantum Monte Carlo method for fermions
• Continuous-Time Quantum Monte Carlo Method for the Coqblin-Schrieffer Model
• Phase Diagram of the Two-Channel Kondo Lattice
• Low-energy scales and temperature-dependent photoemission of heavy fermions

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