Non-topological soliton Bardeen boson stars and their frozen states Zhen-Hua Zhao, Yi-Ning Gu, Shu-Cong Liu, Long-Xing Huang and Yong-Qiang Wang Eur. Phys. J. C, 85 5 (2025) 511 Published online: 09 May 2025 DOI: 10.1140/epjc/s10052-025-14228-4