Evolution of confined quantum scalar fields in curved spacetime. Part II - Spacetimes with moving boundaries in any synchronous gaugeLuis C. Barbado, Ana L. Báez-Camargo and Ivette FuentesEur. Phys. J. C, 81 10 (2021) 953DOI: https://doi.org/10.1140/epjc/s10052-021-09737-x