A hybrid-chiral soliton model with broken scale invariance for nuclear matter
Nuclear Theory
2015-05-28 v1 High Energy Physics - Phenomenology
Abstract
We present a model for describing nuclear matter at finite density based on quarks interacting with chiral fields, sigma and pion. The chiral Lagrangian also includes a logarithmic potential, associated with the breaking of scale invariance. We provide results for the soliton in vacuum and at finite density, using the Wigner-Seitz approximation. We show that the model can reach higher densities respect to the Linear-sigma model, up to approximately 3 rho_0 for m_sigma=1200 MeV.
Keywords
Cite
@article{arxiv.1107.5529,
title = {A hybrid-chiral soliton model with broken scale invariance for nuclear matter},
author = {Alessandro Drago and Valentina Mantovani Sarti},
journal= {arXiv preprint arXiv:1107.5529},
year = {2015}
}
Comments
7 pages, 3 figures, Proceedings of Cortona 2011 XIII Convegno su Problemi di Fisica Nucleare Teorica