CAREER: Sodium Spinor Condensates and Their Applications in Quantum Information Science

职业：钠自旋凝聚体及其在量子信息科学中的应用

• 批准号: 1352168
• 负责人: Yingmei Liu
• 金额: $ 57.18万
• 依托单位: Oklahoma State University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2014
• 资助国家: 美国
• 起止时间: 2014-07-01 至 2019-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1352168&HistoricalAwards=false
• 关键词: CAREER; Sodium; Spinor; Condensates; Their

This CAREER award supports the study and application of massive entanglement and spin-squeezing in quantum information science, in part by implementing the first precise magnetometer with micron spatial resolution and femto-tesla field sensitivity, as well as the development of an efficient scheme to detect and characterize the entanglement. This work is targeted towards applying a sodium spinor Bose-Einstein condensate (BEC) to generate massive entanglement in the vicinity of Dicke states through adiabatic evolution across a quantum phase transition, and to create spin-squeezing via collectively coupling atoms to a light field with a quantum non-demolition measurement. The goals of this research are both of fundamental interest for advancing our understanding of quantum physics, and of technological significance. Its interdisciplinary character envelops a broad spectrum of fields in physics and quantum information theory. Magnetometers, devices constructed to measure the strength and spatial distribution of magnetic fields, are among the most essential and versatile measurement tools available. They are used in a wide variety of applications in all areas of science and industry, such as searching for mineral resources, biomedical imaging for early detection and diagnostics, and the exploration of environmental hazards. As with all measurement techniques, the goals of a magnetometry measurement are to reach a sensitivity that will allow the detection of smaller and smaller quantities and a resolution that will allow pinpointing location to smaller and smaller sizes. The research supported under this CAREER award will incorporate ultracold BECs into proven optical measurement methods for atom magnetometry, which relies on atomic signals for detection, that were previously based on techniques using hot atomic vapors. The new cold atom approach will make it possible to develop magnetometers with enhanced magnetic field sensitivity and spatial resolution. Beyond the important research goals, this CAREER award will provide excellent opportunities to introduce students to modern developments in quantum physics, to involve them in research projects, and to prepare them for a career in science and technology. Two new laboratory courses in physics will be developed to better prepare the students for advanced research. Active efforts will be undertaken to broaden the participation of under-represented groups in this project by involving Native American students, women in physics, and potential ?first-generation? college students in research and educational activities. This CAREER award will enhance the infrastructure for science education in the region and encourage more talented students to pursue a career in science.

该职业奖支持在量子信息科学中进行大规模纠缠和旋转式的研究和应用，部分是通过实施具有微米空间分辨率和femto-tesla场敏感性的第一个精确磁力计，以及开发有效的方案以检测和表征范围。这项工作旨在应用钠纺纱剂玻璃体凝结液（BEC），以通过量子相变的绝热进化来在迪克态的附近产生巨大的纠缠，并通过将旋转式 - 通过将旋转式缝制通过将原子与量子非原子量相耦合到光场与量子非降压测量。这项研究的目标既是促进我们对量子物理学的理解的基本兴趣，又具有技术意义。它的跨学科特征包含了物理和量子信息理论中广泛的领域。磁力计，用于测量磁场的强度和空间分布的设备是可用的最重要，通用的测量工具之一。 它们用于各种科学和工业领域的各种应用中，例如寻找矿产资源，生物医学成像以进行早期检测和诊断以及对环境危害的探索。 与所有测量技术一样，磁力测定的目标是达到灵敏度，该灵敏度将允许检测越来越小的数量和较小数量，并可以将其精确定位到越来越小的尺寸。 根据本职业奖支持的研究将使超低BEC纳入原子能法的经过验证的光学测量方法，该方法依赖于原子信号进行检测，该方法以前是基于使用热原子蒸气的技术。 新的冷原子方法将使以增强的磁场灵敏度和空间分辨率开发磁力计。除了重要的研究目标之外，该职业奖还将为学生提供量子物理学的现代发展，使他们参与研究项目的现代发展，并为他们为科学技术职业做好准备。将开发两个新的物理实验室课程，以更好地为学生做好高级研究的准备。将通过涉及美国原住民学生，物理妇女和潜在的“第一代女性”，为扩大代表性不足的群体的参与而进行积极的努力？研究和教育活动的大学生。该职业奖将增强该地区的科学教育基础设施，并鼓励更多有才华的学生从事科学职业。