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

Huang Yong-Gang, Wang Xiao-Yun, Yang Xue-Xian, Deng Ke, Peng Jin-Zhang, Zhao He-Ping
       

The quantum discord dynamics for a system initially prepared in the Bell state ( | 10 | 01 ) / 2 , and the two reservoirs initially in vacuum states. The width of the Lorentzian spectral density is λ = 10γ.