致密夸克物质CFL相中的介子和双夸克
高能物理 - 唯象学
2008-10-01 v1
摘要
在Nambu-Jona-Lasinio模型框架下,研究了致密夸克物质色-味锁定(CFL)相中介子和双夸克激发的能谱。我们发现,在该相中,所有Nambu-Goldstone玻色子都表现为标量和赝标量双夸克。其他双夸克激发是质量约为230 MeV的共振态。介子在CFL相中是稳定粒子。它们的质量随化学势变化,位于300至500 MeV区间内。
引用
@article{arxiv.0809.5254,
title = {Mesons and diquarks in the CFL phase of dense quark matter},
author = {D. Ebert and K. G. Klimenko},
journal= {arXiv preprint arXiv:0809.5254},
year = {2008}
}
备注
3 pages, 2 figures; prepared for the XIII International Conference on Selected Problems of Modern Theoretical Physics (SPMTP08), Bogoliubov Laboratory of Theoretical Physics, Dubna, Russia, June 23-27, 2008