振幅阻尼噪声存在于大量具有能量损失的真实量子比特系统中.利用两原子和单模腔共振相互作用的普遍模型,推导出振幅阻尼信道下两量子比特系统的联合Kraus算子表示.这为解决与量子信息处理相关的具体过程提供了有效方法,例如两量子比特纠缠分发和量子纠错.由于其普适性和计算的简便性,该方法还有助于解决很多实际的物理问题.
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