可积原子电子干涉术
Integrable atomtronic interferometry
摘要：
高灵敏度的量子干涉测量需要的不仅仅是纠缠态。这是通过深入理解系统中的量子相关性来实现的。可整合模型提供了一个框架来发展这种理解。我们交流的干涉仪协议的可积模型，描述了在一个四站点配置玻色子的相互作用的设计。某些可观测量的量子动力学的解析公式计算。这些将系统的功能暴露为NOON状态的干涉测量标识符和生产者。该系统等效于一个作用于两个混合量子点的受控相位门，也体现了海森堡极限干涉与量子信息的等价性。这些结果有望为集成性增强的原子电子技术开辟新的途径。
英文摘要：
High sensitivity quantum interferometry requires more than just access to entangled states. It is achieved through deep understanding of quantum correlations in a system. Integrable models offer the framework to develop this understanding. We communicate the design of interferometric protocols for an integrable model that describes the interaction of bosons in a four-site configuration. Analytic formulae for the quantum dynamics of certain observables are computed. These expose the system's functionality as both an interferometric identifier, and producer, of NOON states. Being equivalent to a controlled-phase gate acting on two hybrid qudits, this system also highlights an equivalence between Heisenberg-limited interferometry and quantum information. These results are expected to open new avenues for integrability-enhanced atomtronic technologies.
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