CNOT门在拓扑Majorana量子比特上的完整实现
Holonomic implementation of CNOT gate on topological Majorana qubits
摘要：
CNOT门是一种双量子比特门，对于通用量子计算至关重要。在基于马约拉纳的量子位中实现它的一种行之有效的方法依赖于随后对（联合）马约拉纳宇称的测量。我们提出了一种替代方案，它通过完整控制少数系统参数来操作受保护的CNOT门，而不需要任何测量。我们展示了如何绝热调整的成对耦合之间的Majoranas可以鲁棒地导致两个量子比特的完全纠缠，不敏感的控制参数的小变化。
英文摘要：
The CNOT gate is a two-qubit gate which is essential for universal quantum computation. A well-established approach to implement it within Majorana-based qubits relies on subsequent measurement of (joint) Majorana parities. We propose an alternative scheme which operates a protected CNOT gate via the holonomic control of a handful of system parameters, without requiring any measurement. We show how the adiabatic tuning of pair-wise couplings between Majoranas can robustly lead to the full entanglement of two qubits, insensitive with respect to small variations in the control of the parameters.
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