二维量子异向介质中的可调谐折射
Tunable refraction in a two dimensional quantum metamaterial
摘要：
在本文中，我们考虑一个二维的超材料，包括一个阵列的量子比特（两个层次的量子对象）。这里，我们示出了可以例如经由施加磁通量来控制二维量子超材料，以便提供输入信号的可控折射。我们的结果是一致的材料，可以是量子双折射（分束器）或不依赖于此控制参数的应用程序。我们注意到，这里提出的量子超材料可以从超导量子比特到量子点的各种当前候选技术中制造出来。因此，在这项工作中提出的想法将很容易在现有的最先进的实验室测试。
英文摘要：
In this paper we consider a two-dimensional metamaterial comprising an array of qubits (two level quantum objects). Here we show that a two-dimensional quantum metamaterial may be controlled, e.g. via the application of a magnetic flux, so as to provide controllable refraction of an input signal. Our results are consistent with a material that could be quantum birefringent (beam splitter) or not dependent on the application of this control parameter. We note that quantum metamaterials as proposed here may be fabricated from a variety of current candidate technologies from superconducting qubits to quantum dots. Thus the ideas proposed in this work would be readily testable in existing state of the art laboratories.
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