Quantum correlations and quantum Fisher information of two qubits in the presence of the time-dependent coupling effectBahaaudin Raffah, S. Abdel-Khalek, K. Berrada, E. Khalil, Yas Al-Hadeethi, Nawal Almalky and M. R. B. WahiddinEur. Phys. J. Plus, 135 6 (2020) 467DOI: https://doi.org/10.1140/epjp/s13360-020-00423-7