A Non-Perturbative Treatment of the Pion in the Linear Sigma-Model
Nuclear Theory
2009-10-30 v1
Abstract
Using a non-perturbative method based on the selfconsistent Quasi-particle Random-Phase Approximation (QRPA) we describe the properties of the pion in the linear -model. It is found that the pion is massless in the chiral limit, both at zero- and finite temperature, in accordance with Goldstone's theorem.
Keywords
Cite
@article{arxiv.nucl-th/9604023,
title = {A Non-Perturbative Treatment of the Pion in the Linear Sigma-Model},
author = {Z. Aouissat and G. Chanfray and P. Schuck and J. Wambach},
journal= {arXiv preprint arXiv:nucl-th/9604023},
year = {2009}
}
Comments
To appear in Nucl.Phys. A, 16 pages, 2 Postscript figures