A Divergence-Free Method to Extract Observables from Meson Correlation Functions
Nuclear Theory
2013-07-19 v1 High Energy Physics - Lattice
High Energy Physics - Phenomenology
Abstract
Correlation functions provide information on the properties of mesons in vacuum and of hot nuclear matter. In this Letter, we present a new method to derive a well-defined spectral representation for correlation functions. Combining this method with the quark gap equation and the inhomogeneous Bethe-Salpeter equation in the rainbow-ladder approximation, we calculate in-vacuum masses of light mesons and the electrical conductivity of the quark-gluon plasma. The analysis can be extended to other observables of strong-interaction systems.
Cite
@article{arxiv.1307.4587,
title = {A Divergence-Free Method to Extract Observables from Meson Correlation Functions},
author = {Si-xue Qin},
journal= {arXiv preprint arXiv:1307.4587},
year = {2013}
}
Comments
5 pages, 3 figures