Control aspects of quantum computing using pure and mixed states

Control aspects of quantum computing using pure and mixed states
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使用纯态和混合态控制量子计算的各个方面

DOI:
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发表时间:
2012
期刊:
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences
影响因子:
--
通讯作者:
S. Glaser
S. Glaser
中科院分区:
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文献类型:
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作者:
T. Schulte;R. Marx;A. Fahmy;L. Kauffman;S. Lomonaco;N. Khaneja;S. Glaser

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操纵量子动力学,使目标状态解决经典困难的问题是至关重要的量子模拟和计算。除此之外,量子控制对于为量子技术铺平道路也至关重要。在这里,重要的控制技术进行审查,并在一个统一的框架,包括量子计算门合成和光谱状态转移一样。我们强调,感兴趣的量子态是否纯并不重要。虽然纯态是量子电路设计的基础,但量子态的系综混合可以在最近的一类算法中利用:它通过表征琼斯多项式来说明,以区分不同的(类)结。进一步的应用包括约瑟夫森元件,腔栅,离子阱和氮空位中心在封闭和开放的量子系统的情况下。
Steering quantum dynamics such that the target states solve classically hard problems is paramount to quantum simulation and computation. And beyond, quantum control is also essential to pave the way to quantum technologies. Here, important control techniques are reviewed and presented in a unified frame covering quantum computational gate synthesis and spectroscopic state transfer alike. We emphasize that it does not matter whether the quantum states of interest are pure or not. While pure states underly the design of quantum circuits, ensemble mixtures of quantum states can be exploited in a more recent class of algorithms: it is illustrated by characterizing the Jones polynomial in order to distinguish between different (classes of) knots. Further applications include Josephson elements, cavity grids, ion traps and nitrogen vacancy centres in scenarios of closed as well as open quantum systems.
DOI: 10.1088/1367-2630/14/7/073023
发表时间: 2012-07-11
影响因子: 3.3
作者:
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通讯作者: Schirmer, Sophie G.
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发表时间: 2010-03
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影响因子: --
作者:
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通讯作者: R. Marx;A. Fahmy;L. Kauffman;S. Lomonaco;A. Spörl;N. Pomplun;T. Schulte-Herbrüggen;J. Myers;S. Glaser
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影响因子: 2.9
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