Structure of Compact Stars in Pion Superfluid Phase
Nuclear Theory
2015-06-18 v2
Abstract
The gross structure of compact stars composed of pion superfluid quark matter is investigated in the frame of Nambu-Jona-Lasinio model. Under the Pauli-Villars regularization scheme, the uncertainty of the thermodynamic functions for inhomogeneous states is cured, and the LOFF state appeared in the hard cutoff scheme is removed from the phase diagram of pion superfluid. Different from the unpaired quark matter and color superconductor, the strongly coupled pion superfluid in the state close to the BCS limit is a possible candidate of compact stars with mass and radius km.
Keywords
Cite
@article{arxiv.1402.4564,
title = {Structure of Compact Stars in Pion Superfluid Phase},
author = {Shijun Mao},
journal= {arXiv preprint arXiv:1402.4564},
year = {2015}
}
Comments
5 pages, 5 figures