Nodal compact $Q$-ball/$Q$-shell in the $\mathbb{C}{P}^N$ nonlinear sigma model

P. Klimas, N. Sawado, S. Yanai

Nodal, excited compactons in the $\mathbb{C}{P}^N$ models with V-shaped potentials are analyzed. It is shown that the solutions exist as compact $Q$-balls and $Q$-shells. The solutio…