具有D宇称宇宙弦的左右SU（7）对称模型
A left-right SU(7) symmetric model with D-parity cosmic strings
摘要：
本文研究了具有D宇称对称性的宇宙弦。它们是Z-2型弦，可能出现在SU（7）的自发破缺中，在普通中微子和镜像中微子的背景下会呈现出非凡的性质。通过在SU（7）中特殊地嵌入左右对称性，以最小的Higgs场含量，基于两个单线态和两个双线态，可以保证这类宇宙弦的拓扑稳定性。在它们的存在下，我们可以在普通中微子和镜像中微子之间产生一种中性的味道变化的相互作用，以及以中微子镜像的零模形式形成超导电流，这将显示出有趣的效应。
英文摘要：
Cosmic strings with the property of D-parity symmetry are studied in this paper. They are of a Z-2 type of strings that could appear in the spontaneous breaking of SU(7) and would present extraordinary properties in a background of ordinary and mirror neutrinos. Through the special embedding of the left-right symmetry in SU(7), with a minimal content of Higgs fields, based on two singlets and two doublets, it is possible to assure the topological stability of this type of cosmic strings. In their presence we could have a neutral flavor changing interaction between ordinary and mirror neutrinos as well as the formation of superconducting currents in the form of zero modes of neutrino mirrors that would show interesting effects.
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