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In the two-qubit system, the critical magnetic field ${B}_{c}$ is increased by introducing the interaction of the z component of two neighboring spins ${J}_{z}.$ This interaction not only improves the critical temperature ${T}_{c},$ but also enhances the entanglement for a particular fixed B. We also analyze the pairwise entanglement between nearest neighbors in three qubits. 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Enhanced thermal entanglement in an anisotropic Heisenberg<i>XYZ</i>chain 论文

Enhanced thermal entanglement in an anisotropic Heisenberg<i>XYZ</i>chain · 相关文章