耗散内运动量子干涉术
Quantal interferometry with dissipative internal motion
摘要：
在存在耗散的情况下，量子态可以获得复值相位效应。我们提出了一个耗散干涉的概念，容纳这种复值结构，并可能作为一种工具，用于分析某些类型的外部影响量子干涉的效果。将混合态相位和伴随规范不变性的概念推广到耗散内运动。由此产生的复值混合态干涉效应导致众所周知的结果在单一的限制和纯量子态的耗散运动的情况下。将耗散干涉术应用于容错几何量子计算。
英文摘要：
In presence of dissipation, quantal states may acquire complex-valued phase effects. We suggest a notion of dissipative interferometry that accommodates this complex-valued structure and that may serve as a tool for analyzing the effect of certain kinds of external influences on quantal interference. The concept of mixed-state phase and concomitant gauge invariance is extended to dissipative internal motion. The resulting complex-valued mixed-state interference effects lead to well-known results in the unitary limit and in the case of dissipative motion of pure quantal states. Dissipative interferometry is applied to fault-tolerant geometric quantum computation.
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