Abstract
Coupled multi-component ℂPN models with V-shaped potentials are analyzed. It is shown that the model has solutions being combinations of compact Q-balls and Q-shells. The compact nature of solutions permits the existence of novel harbor-type solutions having the form of Q-balls sheltered by Q-shells. The relation between the energy E and Noether charge Q is discussed both analytically and numerically. The energy of the solutions behaves as E ∼ |Q|α, α < 1, i.e., as for the standard Q-ball. Furthermore, the ratio E/Q for various configurations in the multi-component model suggests that the solutions are at least classically stable.
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Klimas, P., Kubaski, L.C., Sawado, N. et al. Compact Q-balls and Q-shells in a multi-component ℂPN model. J. High Energ. Phys. 2021, 84 (2021). https://doi.org/10.1007/JHEP09(2021)084
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DOI: https://doi.org/10.1007/JHEP09(2021)084