arXivDaily arXiv每日学术速递 周一至周五更新
北美退伍军人节(Veterans Day),12 日无更新
arXiv 1903.07545nucl-thhep-ph
收藏

有限密度下朴素与镜像分配:关联函数混合和手征对称性恢复

Naive versus mirror assignment at finite density: correlator mixing and chiral symmetry restoration

Boris Krippa

摘要:

手征对称性对稠密介质中强子的关联函数有一定的限制。这些约束意味着手征伙伴的两点和三点关联函数的某种一般结构,并导致长程核π介子与相应的内插电流相互作用产生的混合效应。它反映了手征对称性的部分恢复现象。我们考虑夸克凝聚的软π修正和介子和核子的几种可能的手征伙伴对,并分析它们的混合模式。我们探讨了核子手征伙伴的朴素和镜像指派,并讨论了可能的唯象结果。

英文摘要:

Chiral symmetry imposes some constrains on hadron correlation functions in dense medium. These constraints imply a certain general structure of the two- and three-point correlation functions of chiral partners and lead to the effect of mixing arising from the interaction of the long-ranged nuclear pions with corresponding interpolating currents. It reflects the phenomena of partial restoration of chiral symmetry. We consider soft pion corrections for quark condensates and several possible pairs of chiral partners for both mesons and nucleons and analyse their mixing patterns. We explored both naive and mirror assignments for the chiral partner of nucleon and discussed possible phenomenological consequence.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑