Quark matter under strong magnetic fields in the Nambu--Jona-Lasinio Model
Nuclear Theory
2009-04-28 v1 Astrophysics
High Energy Physics - Phenomenology
Abstract
In the present work we use the large- approximation to investigate quark matter described by the SU(2) Nambu--Jona-Lasinio model subject to a strong magnetic field. The Landau levels are filled in such a way that usual kinks appear in the effective mass and other related quantities. -equilibrium is also considered and the macroscopic properties of a magnetar described by this quark matter is obtained. Our study shows that the magnetar masses and radii are larger if the magnetic field increases but only very large fields ( G) affect the EoS in a non negligible way.
Keywords
Cite
@article{arxiv.0811.3361,
title = {Quark matter under strong magnetic fields in the Nambu--Jona-Lasinio Model},
author = {D. P. Menezes and M. Benghi Pinto and S. S. Avancini and A. Perez Martinez and C. Providencia},
journal= {arXiv preprint arXiv:0811.3361},
year = {2009}
}
Comments
13 pages, 9 figures