Regularity of the moving Fermi surface: the exact selfenergy
Strongly Correlated Electrons
2008-02-03 v1 Statistical Mechanics
Abstract
Regularity of the deformation of the Fermi surface under short-range interactions is established to all orders in perturbation theory. The proofs are based on a new classification of all graphs that are not doubly overlapping. They turn out to be generalized RPA graphs. This provides a simple extension to all orders of the regularity theorem of the Fermi surface movement proven in [FST2]. Models in which the Fermi surface is not symmetric under the reflection p to -p are included.
Cite
@article{arxiv.cond-mat/9705272,
title = {Regularity of the moving Fermi surface: the exact selfenergy},
author = {Joel Feldman and Manfred Salmhofer and Eugene Trubowitz},
journal= {arXiv preprint arXiv:cond-mat/9705272},
year = {2008}
}
Comments
46 pages, plain TeX, ps figures If you have problems with the figures when TeXing, choose showfigsfalse at the beginning of the TeX file and request the figures from [email protected]