Gravitating compact Q -ball and Q -shell solutions in the CPN nonlinear sigma model
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DOI: 10.1103/physrevd.99.045015
Abstract: We study compact gravitating $Q$-ball, $Q$-shell solutions in a sigma model with the target space $\mathbb{C}P^N$. Models with odd integer $N$ and suitable potential can be parameterized by $N$-th complex scalar fields and they support… read more here.
Keywords: ball shell; sigma model; shell solutions;