Quantum coherence and entanglement preservation in Markovian and non-Markovian dynamics via additional qubitsNaghi Behzadi, Bahram Ahansaz and Esfandyar FaiziEur. Phys. J. D, 71 11 (2017) 280DOI: https://doi.org/10.1140/epjd/e2017-80294-3