Effectiveness of Non-Markovian Methods for Quantum Discord Dynamics of Non-coupled Two-Qubit System Supported by the National Natural Science Foundation of China under Grant Nos. 11564013, 11464014, 11564012, 11602094 and the Natural Science Foundation of Hunan Province, China under Grant No. 2016JJ4073 |
The quantum discord dynamics for a system initially prepared in the entanglement state |