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Combining Viewpoints in Quantum Theory (Ext.)

结合量子理论的观点（扩展）

基本信息

批准号：
EP/R044759/1
负责人：
Christiaan Johan Marie Heunen
金额：
$ 68.71万
依托单位：
University of Edinburgh
依托单位国家：
英国
项目类别：
Fellowship
财政年份：
2019
资助国家：
英国
起止时间：
2019 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FR044759%2F1
关键词：
Combining Viewpoints Quantum Theory Ext.

项目摘要

This is an extension of the Fellowship: Combining Viewpoints in Quantum Theory.Quantum hardware essentially consists of small quantum-mechanical systems that we can control, used to make nature solve certain problems much more efficiently than any classical hardware could, or even communicate in ways that were plain impossible with classical hardware. Large-scale deployment of quantum technology will clearly transform our society.One of the main difficulties with this revolution is the steep learning curve to high-level programming of quantum software. The most fundamental dilemma runs straight to the heart of the counterintuitiveness of quantum mechanics: you can only extract data from a quantum system from one classical viewpoint at a time. To learn more about the system, you need to combine measurements from multiple classical viewpoints. But at the same time, quantum computers are so much more powerful than classical ones precisely because of quantum programmers are able to work in, and switch between, different classical viewpoints.The Fellowship has established a formal framework in which quantum systems and classical viewpoints live on an equal footing in a single category, and studied the dynamical relationships between them. Building on this success, the extension will turn these fundamental results into more practical benefits. First, we will optimise quantum computations by minimising the number of switches of classical viewpoint, in a way that makes the quantum computation as cheap as possible, while at the same time making it as intuitive as possible to program in the first place. This will be implemented in three industry standard quantum programming platforms. Second, we will extend the framework to take spatial aspects into account, to let us specify distributed quantum communication protocols in a realistic way, and allow new ones. This will advance our theoretical understanding of nature. At the same time, it will have practical benefits by making the design of quantum protocols and algorithms more accessible to non-specialist programmers.

量子硬件本质上是由我们可以控制的小型量子力学系统组成，用于使自然界比任何经典硬件更有效地解决某些问题，甚至以经典硬件无法实现的方式进行通信。量子技术的大规模部署显然将改变我们的社会。这场革命的主要困难之一是量子软件高级编程的陡峭学习曲线。最基本的困境直接指向量子力学反直觉的核心：你一次只能从一个经典观点从量子系统中提取数据。要了解有关该系统的更多信息，您需要从多个经典视点组合联合收割机测量。但与此同时，量子计算机之所以比经典计算机强大得多，正是因为量子程序员能够在不同的经典观点中工作，并在不同的经典观点之间切换。该奖学金建立了一个形式化的框架，在这个框架中，量子系统和经典观点平等地生活在一个类别中，并研究了它们之间的动力学关系。在这一成功的基础上，扩展将把这些基本成果转化为更实际的好处。首先，我们将通过最小化经典观点的开关数量来优化量子计算，以使量子计算尽可能便宜，同时使其在第一时间尽可能直观地编程。这将在三个行业标准的量子编程平台上实现。其次，我们将扩展框架以考虑空间方面，让我们以现实的方式指定分布式量子通信协议，并允许新的协议。这将促进我们对自然的理论理解。与此同时，它将通过使量子协议和算法的设计更容易为非专业程序员所用而带来实际好处。