Rotating spacetimes with a free scalar field in four and five dimensions José Barrientos, Christos Charmousis, Adolfo Cisterna and Mokhtar Hassaine Eur. Phys. J. C, 85 5 (2025) 537 Published online: 14 May 2025 DOI: 10.1140/epjc/s10052-025-14282-y