Quantum correlations dynamics of three-qubit states coupled to an XY spin chain: Role of coupling strengths
Yin Shao-Ying1, 2, Liu Qing-Xin3, Song Jie1, Xu Xue-Xin1, Zhou Ke-Ya1, Liu Shu-Tian1,
       

(color online) The lower bound of concurrence (LBC) and quantum discord (QD) of the W state versus time t as Δ = −0.03, 0.0, 0.03, respectively. The other parameters are set to N = 601, γ = 1, λ = 1, , .