Quantum-tunneling transitions and exact statistical mechanics of bistable systems with parametrized Dikandé–Kofané double-well potentialsF. Naha Nzoupe, Alain M. Dikandé and S. E. Mkam TchouobiapEur. Phys. J. B, 95 1 (2022) 8DOI: https://doi.org/10.1140/epjb/s10051-021-00266-w