论文标题

量规Higgs理论中基本费米子的激发

Excitations of elementary fermions in gauge Higgs theories

论文作者

Greensite, Jeff

论文摘要

QCD中的静态夸克 - 易夸克状态,在有限的夸克分离处,具有与量规场类似弦样激励相对应的亚稳态状态。在本文中,我建议在希格斯阶段深处的某些仪表式理论中也可能存在激发频谱。在这种情况下,没有将夸克和古夸克连接起来的彩色电动管。尽管如此,仍可能存在围绕粒子生产阈值的孤立费米子的骨质场的稳定激发。我提供了数值证据,表明在su(3)仪表中存在这种激发理论,并在量规组的基本表示中具有标量场。

Static quark-antiquark states in QCD, at finite quark separation, have a spectrum of metastable states corresponding to string-like excitations of the gauge field. In this article I suggest that there may also exist an excitation spectrum of heavy fermions in some gauge Higgs theories deep in the Higgs phase. In this situation there are no color electric flux tubes connecting quarks with antiquarks. There may, nonetheless, exist stable excitations of the bosonic fields surrounding an isolated fermion, below the particle production threshold. I present numerical evidence indicating the existence of such excitations in an SU(3) gauge Higgs theory, with the scalar field in the fundamental representation of the gauge group.

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