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Emulation of Anyonic Statistics using High-Fidelity NMR Quantum Information Processing (QIP) Techniques

机译:使用高保真NMR量子信息处理(QIP)技术仿真非离子统计

摘要

NMR control techniques have made many important contributions in developing set of tools for optimal quantum control, ranging from spin echo to dynamical decoupling. Using such optimal quantum control techniques, the emulation of what are known as anyonic statistics was demonstrated previously. This demonstration showed the ability of NMR QIP for experimental exploration of topological quantum computing where anyonic statistics play a significant role as a means to implement the quantum gates by braiding anyons. In this thesis, going one step further than the previous demonstration, we experimentally emulated the anyonic statistics and demonstrated the path independence of anyonic braiding operations manifested in a 7-qubit Kitaev's lattice model. In our experiments, the anyons are braided along two different loops in which the system's wave function gains a π phase in theory. We experimentally measured the anyonic phases of (153.9 ± 3.8)° and (151.4 ± 3.8)° for the two different braiding paths, demonstrating that experimental anyonic phases are path independent. However, the values differ from the theoretical value due to decoherence and gate imperfections.
机译:从自旋回波到动态解耦,NMR控制技术为开发最佳量子控制工具集做出了许多重要贡献。使用这种最佳的量子控制技术,先前已经证明了所谓的非调子统计的仿真。该演示展示了NMR QIP进行拓扑量子计算的实验探索的能力,其中,非调子统计数据作为通过编织任意子来实现量子门的手段发挥着重要作用。在这篇论文中,我们比先前的演示更进了一步,我们在实验上模拟了非调子的统计数据,并证明了在7比特的Kitaev晶格模型中体现的非调子编织操作的路径独立性。在我们的实验中,将任意子沿着两个不同的循环编织,在理论上系统的波动函数获得π相位。我们通过实验测量了两种不同编织路径的(153.9±3.8)°和(151.4±3.8)°的非离子相,这表明实验的非离子相与路径无关。但是,由于退相干和门缺陷,该值与理论值不同。

著录项

  • 作者

    Park Jihyun (Annie);

  • 作者单位
  • 年度 2015
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  • 原文格式 PDF
  • 正文语种 en
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