Ward identities for extended objects
Superconductivity
2013-01-01 v1 Strongly Correlated Electrons
Abstract
Ward identities for extended objects are discussed. In the limit of dc transport it is rigorously proved that charge-density and spin-density fluctuations do not couple to electromagnetic field.
Cite
@article{arxiv.1212.6484,
title = {Ward identities for extended objects},
author = {Osamu Narikiyo},
journal= {arXiv preprint arXiv:1212.6484},
year = {2013}
}