Quantum correlations dynamics of three-qubit states coupled to an XY spin chain: Role of coupling strengths

Yin Shao-Ying^{1, 2}, Liu Qing-Xin³, Song Jie¹, Xu Xue-Xin¹, Zhou Ke-Ya¹, Liu Shu-Tian^1,

(color online) The lower bound of concurrence (LBC) and quantum discord (QD) of the W state as a function of magnetic intensity λ and time t. The other parameters are set to N = 601, γ = 1, , , , and p = 0.5.