Topological Charge Correlators, Spectral Bounds, and Contact Terms
High Energy Physics - Lattice
2008-11-26 v1
Abstract
The structure of topological charge fluctuations in the QCD vacuum is strongly restricted by the spectral negativity of the Euclidean 2-point correlator for and the presence of a positive contact term. Some examples are considered which illustrate the physical origin of these properties.
Keywords
Cite
@article{arxiv.hep-lat/0209089,
title = {Topological Charge Correlators, Spectral Bounds, and Contact Terms},
author = {H. Thacker and S. J. Dong and T. Draper and I. Horvath and F. X. Lee and K. -F. Liu and J. B. Zhang},
journal= {arXiv preprint arXiv:hep-lat/0209089},
year = {2008}
}
Comments
Lattice 2002 Conference Proceedings