论文标题
带有多个电荷和核心的Q球
Q-balls with Multiple Charges and Cores
论文作者
论文摘要
Q球（无论是在单场还是多场环境中）通常在仅包含一个稳定对称性的理论中研究。但是，这不是最一般的情况。在本文中，我们研究了具有多个对称性的一类理论。我们考虑了这些理论的传统薄壁和厚壁极限，在后一种情况下得出了足够的条件。此外，我们还引入了一个可能存在于这类理论中的新状态 - 一个芯片Q-ball。我们表明，这种新状态在能量上可以稳定，但为以后的工作留下了详细的现象学研究。
Q-balls -- whether in the single-field or multi-field context -- are usually studied in theories containing only one stabilising symmetry. However, this is not the most general scenario. In this paper, we study a class of theories with multiple symmetries. We consider both the traditional thin- and thick-wall limits of these theories, deriving sufficient conditions for existence in the latter case. Moreover, we also introduce a new state that could exist in this class of theory -- a cored Q-ball. We show that this new state can be energetically stable, but leave a detailed phenomenological study to later work.
