根据多粒子相干纠缠态得到一般的多粒子GHZ态模型,并利用Wigner函数绘出了相空间的准概率分布图像.然后通过各个直积态的本征态的本征值来计算总的自旋相互作用能量.此外,当相因子变化时,GHZ的结构和能量的变化得到观察与分析.最后,根据稳定性与能量的关系,从能量的角度进一步验证了全同性原理费米子的特征.计算Wigner函数时,我们利用了Matlab语言的Qotoolbox工具包在向量空间中绘出其图形,这比解析的方法更快捷、方便.
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