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Learning how to manipulate spins: EPR studies of anti-ferromagnetic rings and linked rings towards quantum computation

学习如何操纵自旋：针对量子计算的反铁磁环和连接环的 EPR 研究

基本信息

批准号：
EP/H011714/1
负责人：
Eric John Logan McInnes
金额：
$ 42.36万
依托单位：
University of Manchester
依托单位国家：
英国
项目类别：
Research Grant
财政年份：
2010
资助国家：
英国
起止时间：
2010 至无数据
项目状态：
已结题

来源：
https://gtr.ukri.org/projects?ref=EP%2FH011714%2F1
关键词：
Learning how manipulate spins EPR

项目摘要

Quantum information processing (QIP) sounds like science fiction. In a conventional computer information is stored in a bit which can either be a 0 or a 1, and processing information involves changing 0 to 1 or 1 to 0. In a quantum computer information would be stored as a Qubit which is a super-position of 0 and 1. An analogy would be that a classical bit is like a light switch, which is either on or off, while a Qubit is a dimmer switch set simultaneously to all possible positions. Many systems have been studied as possible Qubits , but at present no efficient means for QIP exists. This is because the physical requirements are very precise and matching all requirements simultaneously is very difficult. In our previous work we have shown that molecular species can be made which have many of the correct characteristics. In this interdisciplinary project between a chemistry group at Manchester and a condensed matter physics group at Oxford we will fully characterise a range of such molecules and examine their suitability for QIP. By this route we intend to demonstrate, at least at prototype level, molecules and addressing techniques that will allow QIP. If QIP can be made to work it allows some calculations to be performed quickly which would be impossibly slow using conventional computers, and hence it would be massive technological step forward.

量子信息处理(QIP)听起来像是科幻小说。在传统的计算机中，信息存储在可以是0或1的位中，并且处理信息涉及将0变为1或将1变为0。在量子计算机中，信息将以量子比特的形式存储，量子比特是0和1的叠加。打个比方，经典比特就像一个灯开关，要么开，要么关，而量子比特是同时设置在所有可能位置的较暗的开关。许多系统已经被研究为可能的量子比特，但目前还没有有效的手段来实现量子比特。这是因为物理需求非常精确，同时匹配所有需求非常困难。在我们以前的工作中，我们已经证明了可以制造出具有许多正确特征的分子物种。在曼彻斯特的一个化学小组和牛津大学的一个凝聚态物理小组之间的这个跨学科项目中，我们将全面描述一系列这样的分子，并检查它们是否适合QIP。通过这条路线，我们打算至少在原型水平上展示允许QIP的分子和寻址技术。如果QIP能够工作，它将允许一些计算快速执行，这在传统计算机上将是不可能的缓慢，因此这将是巨大的技术进步。