Gao, Kun; Xu, Yu-Liang; Kong, Xiang-Mu; Liu, Zhong-Qiang - In: Physica A: Statistical Mechanics and its Applications 429 (2015) C, pp. 10-16
measured by the quantum discord (QD) and the entanglement of formation (EoF), are investigated exactly by the transfer-matrix … method. QD and EoF are calculated numerically for different values of anisotropy parameter, external magnetic field, and …