Renormalization group methods and applications: First results for the weakly coupled Anderson model

Jacques Magnen, Gilles Poirot and Vincent Rivasseau

Physica A: Statistical Mechanics and its Applications, 1999, vol. 263, issue 1, 131-140

Abstract: We first recall the renormalization group approach to the study of weakly interacting Fermions where the singularity of the free propagator lies on a sphere i.e. the Fermi surface [1][2]. The main results are in two dimensions because, in this case, the vertices of the interaction are approximately factorized [3]. It has allowed to prove the existence of a Fermi liquid in two dimensions [4][5].

Date: 1999
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:263:y:1999:i:1:p:131-140

DOI: 10.1016/S0378-4371(98)00519-6

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