Spontaneous Magnetization of Quark Matter in Inhomogeneous Chiral Phase
High Energy Physics - Phenomenology
2015-12-16 v2
Abstract
Considering the density wave of scalar and pseudoscalar condensates, we study the response of quark matter to a weak external magnetic field. In an external magnetic field, the energy spectrum of the lowest Landau level becomes asymmetric about zero, which is closely related to chiral anomaly. This spectral asymmetry gives rise to spontaneous magnetization. This mechanism may be one of candidates for the origin of the strong magnetic field in magnetars. Furthermore, using the generalized Ginzburg-Landau(gGL) expansion, we show that magnetic susceptibility exhibits a peculiar feature
Keywords
Cite
@article{arxiv.1512.03879,
title = {Spontaneous Magnetization of Quark Matter in Inhomogeneous Chiral Phase},
author = {Ryo Yoshiike and Kazuya Nishiyama and Toshitaka Tatsumi},
journal= {arXiv preprint arXiv:1512.03879},
year = {2015}
}
Comments
3 pages, 3 figures, talk given in Quarks and Compact Stars 2014 (QCS2014), Oct. 20-22, 2014, KIAA at Peking University, Beijing, China