ITR: Exploration and Control of Condensed Matter Qubits

EIA-0205641 Whaley，Birgitta K.加州大学伯克利分校：凝聚态物质量子的探索和控制纳米尺度控制物质的新方法的出现为分子和信息处理创造了巨大的机会。除了目前如何在现有计算范式中扩展摩尔定律的问题之外，我们可以看到，在越来越小的维度上制造和控制的能力带来了产生用于信息处理的全新技术的潜力。该项目探索了一种新型的高度并行处理器的开发，该处理器利用固态纳米结构中的量子自由度来处理信息。该项目的主要重点是实现真正可扩展的量子逻辑器件所需的基础科学。我们通过探索量子比特态的几种潜在固态实现的物理实验来解决这一任务，还通过理论研究退相干、稳健控制和为特定实现的基本量子物理量身定做的有效量子逻辑方案来解决这一任务。这个项目是由来自计算机和工程科学、化学物理和固体物理的科学家和工程师组成的跨学科小组进行的。这项工作的更广泛影响将在讲习班和公开讲座中与教育工作者和记者一起传播。

EIA - 0205641Whaley, Birgitta K. University of California-BerkeleyTITLE: Exploration and Control of Condensed Matter QubitsThe advent of new methods for controlling matter at nanometer length scales creates enormous opportunities for molecular and information processing. Looking beyond the present problem of how to extend Moore's law within the existing computational paradigm, we can see that the ability to fabricate and control at increasingly small dimension brings with it the potential to generate entirely new technologies for processing of information. This project explores the development of a new type of highly parallel processor that takes advantage of quantum degrees of freedom in solid state nanostructures to process information. The main focus of the project is the basic science required for realization of truly scalable quantum logic devices. We address this task with experiments that explore the physics of several potential solid state realizations of quantum bit states, and also with theoretical investigations of decoherence, of robust control, and of efficient schemes for quantum logic that are tailored to the underlying quantum physics of specific implementations. This project is carried out by an interdisciplinary group of scientists and engineers, drawn from computer and engineering science, chemical physics, and solid state physics. The broader impact of the work is to be disseminated together with educators and journalists in workshops and public lectures.