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cond-mat.stat-mech2011
Phase diagrams and critical behavior of the quantum spin-1/2 XXZ model on diamond-type hierarchical lattices
Xiu-Xing Zhang, Xiang-Mu Kong, Zhong-Yang Gao +1
In this paper, the phase diagrams and the critical behavior of the spin-1/2 anisotropic XXZ ferromagnetic model (the anisotropic parameter Δ\in(-\infty,1]) on two kinds of diamond-…
quant-ph2011★ 7 cited
Enhancement of non-equilibrium thermal quantum discord and entanglement of a three-spin XX chain by multi-spin interaction and external magnetic field
Xiu-xing Zhang, Fu-li Li
We investigate the non-equilibrium thermal quantum discord and entanglement of a three-spin chain whose two end spins are respectively coupled to two thermal reservoirs at differen…