Radially and azimuthally excited states of a soliton system of vortex and Q-ball A. Yu. Loginov and V. V. Gauzshtein Eur. Phys. J. C, 80 12 (2020) 1123 Published online: 07 December 2020 DOI: 10.1140/epjc/s10052-020-08715-z