论文标题
在三角形的husimi晶格上的旋转1/2的不饱和二分之一的纠缠
Unsaturated bipartite entanglement of a spin-1/2 Ising-Heisenberg model on a triangulated Husimi lattice
论文作者
论文摘要
使用并发量化了三角形的husimi晶格上的两个旋转1/2伊森伯格模型的两个最近的海森贝格旋转之间的纠缠。结果表明，同意在经典的铁磁和量子无序相中等于零，而在量子铁磁相中则变得很可观。在经典的铁磁相的上方发现同意的热辅助重新进入，而量子铁磁相在临界温度下显示出同意的尖端。
A bipartite entanglement between two nearest-neighbor Heisenberg spins of a spin-1/2 Ising-Heisenberg model on a triangulated Husimi lattice is quantified using a concurrence. It is shown that the concurrence equals zero in a classical ferromagnetic and a quantum disordered phase, while it becomes sizable though unsaturated in a quantum ferromagnetic phase. A thermally-assisted reentrance of the concurrence is found above a classical ferromagnetic phase, whereas a quantum ferromagnetic phase displays a striking cusp of the concurrence at a critical temperature.
