CAREER: Quantum defects in two-dimensional materials by local-symmetry-guided data-driven design

该奖项的部分资金来自《2021年美国救援计划法案》(公法117-2)。非技术总结该职业奖项支持与教育活动相结合的理论和计算研究，以促进对量子缺陷的基本理解，并为量子信息科学和技术发现新的功能材料系统。量子比特和新的量子设备，如量子发射器，处于正在进行的量子信息革命的中心，预计这场革命将以以前无法想象的方式改变科学和社会。二维材料中的量子缺陷，如缺失原子或杂质，为实现量子功能元件的图案化制造和操作提供了新的范式。通过融合对称性指导的设计原则和数据驱动的方法，Pi和他的团队将促进在发现和设计具有独特电子结构的新型量子缺陷方面取得突破，用于量子信息科学和技术。这项研究将为建立量子缺陷设计平台铺平道路。研究项目将通过纳入数值模拟和机器学习模块，以及面向K-12学生的外联活动，与教育活动相结合。量子材料、机器学习和数值模拟模块将被纳入本科生和研究生课程。构建跨学科的研究环境，让多层次的学生掌握一整套技能，掌握量子信息科学的大局。国际科学协会将通过与包括富兰克林研究所在内的当地科学博物馆合作开发活动工具包和演示，参与科学宣传。将为初中生和高中生开发教育模块，介绍量子物理和人工智能。技术总结这个职业奖项支持理论和计算研究活动，以开发和利用第一原理计算和数据驱动的方法，以深入了解具有重要技术意义的基于缺陷的二维(2D)量子系统中的量子现象。量子缺陷是通过局域对称性和与宿主材料的复杂相互作用来表征的。这项研究将通过揭示局域对称性和宿主环境的相互作用，促进对二维材料中作为自旋量子比特和量子发射体的量子缺陷的基本理解。通过利用对称信息和采用最先进的学习架构，PI和他的团队将开发一种新的机器学习框架，使深度学习能够用于缺陷属性预测。这个项目的最终结果将是为2D材料和其他材料中的目标量子缺陷功能提供基本的理解和基于对称性的设计原则。这将为基于2D固态系统中量子缺陷的量子信息科学和技术开辟一条新的数据驱动途径。该研究项目将通过融入数值模拟和机器学习模块，以及面向K-12学生的外联活动，与教育活动相结合。量子材料、机器学习和数值模拟模块将被纳入本科生和研究生课程。构建跨学科的研究环境，让多层次的学生掌握一整套技能，掌握量子信息科学的大局。国际科学协会将通过与包括富兰克林研究所在内的当地科学博物馆合作开发活动工具包和演示，参与科学宣传。将为初中生和高中生开发教育模块，介绍量子物理和人工智能。该奖项反映了NSF的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。

This award is funded in part under the American Rescue Plan Act of 2021 (Public Law 117-2).NONTECHNICAL SUMMARYThis CAREER award supports theoretical and computational research integrated with education activities to advance the fundamental understanding of quantum defects and discover novel functional material systems for quantum information science and technologies. Qubits and novel quantum devices such as quantum emitters lie at the center of the ongoing quantum information revolution that is expected to transform science and society in previously unimaginable ways. Quantum defects, such as missing atoms or impurities, in two-dimensional materials offer a new paradigm for the realization of patterned fabrication and operation of quantum functionality components. By incorporating symmetry-guided design principles and data-driven approaches, the PI and his team will facilitate breakthroughs for the discovery and design of novel quantum defects with unique electronic structures for quantum information science and technologies. The research will pave the path toward the creation of a quantum defect design platform.The research project will be integrated with educational activities through the incorporation of numerical simulations and machine learning modules, as well as outreach activities to K-12 students. Quantum materials, machine learning, and numerical simulation modules will be incorporated in undergraduate and graduate courses. The construction of an interdisciplinary research environment will allow multi-level students to acquire a complete set of skills and grasp a big picture of quantum information science. The PI will participate in scientific outreach by developing activity kits and demos in collaboration with local science museums including the Franklin Institute. Educational modules for middle school and high school students will be developed to introduce quantum physics and artificial intelligence.TECHNICAL SUMMARYThis CAREER award supports theoretical and computational research activities to develop and utilize first-principles computations and data-driven approaches to provide insights into the quantum phenomena in technologically important defect-based two-dimensional (2D) quantum systems. Quantum defects are characterized by local symmetries and complex interactions with their host materials. The research will advance fundamental understanding of quantum defects in 2D materials as spin qubits and quantum emitters by revealing the interplay of local symmetry and host environment. By harnessing symmetry information and adopting state-of-the-art learning architectures, the PI and his team will develop a novel machine learning framework to enable the use of deep learning for defect property predictions. The ultimate outcome of this project will be to provide fundamental understanding and symmetry-based design principles for targeted quantum defect functionalities in 2D materials and beyond. This will open a new data-driven pathway for quantum information science and technologies based on quantum defects in 2D solid-state systems.The research project will be integrated with educational activities through the incorporation of numerical simulations and machine learning modules, as well as outreach activities to K-12 students. Quantum materials, machine learning, and numerical simulation modules will be incorporated in undergraduate and graduate courses. The construction of an interdisciplinary research environment will allow multi-level students to acquire a complete set of skills and grasp a big picture of quantum information science. The PI will participate in scientific outreach by developing activity kits and demos in collaboration with local science museums including the Franklin Institute. Educational modules for middle school and high school students will be developed to introduce quantum physics and artificial intelligence.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.