量子不谐和(Quantum discord;QD)常被用来描述量子体系的量子关联.基于QD几何测量方法,求解了只含一个变量参数X-态的量子关联,并给出在三种不同量子通道中该体系量子关联的具体形式.通过针对减振幅通道中对该X-态的纠缠度以及量子关联的抗消相干能力比较,用图示的方法显示出量子关联具有比纠缠更强的抗消相干能力.
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