Inter-orbital hopping effects on the superconducting state properties of a two-band BCS model J. J. Rodríguez Núñez, A. A. Schmidt and I. Tifrea Eur. Phys. J. B, 96 7 (2023) 104 Published online: 24 July 2023 DOI: 10.1140/epjb/s10051-023-00571-6