RII Track-4:NSF: Introducing Quantum Logic Spectroscopy to Greater Southern Nevada as a Vital Quantum Control and Information Process Method

这项研究基础设施改善轨道4 EPSCoR研究人员项目将为内华达大学拉斯维加斯分校（UNLV）的助理教授提供奖学金，每个项目每年为一名研究生提供培训。这项工作将与美国国家标准与技术研究所（NIST）的研究人员合作进行。量子逻辑光谱（QLS）由NIST于2005年首创，是一种革命性的方法，可以实现普遍的量子控制和离子检测，并对精密测量领域产生了重大影响。该奖学金旨在促进QLS技术和专业知识从NIST到UNLV的转移。这一目标将通过多种手段实现。PI和研究生将对NIST进行几次访问，每次访问大约持续几个月。这将使研究人员获得实践经验，并与NIST专家进行互动，同时也将继续努力在UNLV建立QLS实验平台。预期的结果将是多方面的。首先，将在UNLV建立一个功能性的QLS平台。其次，将在NIST和UNLV之间创建一个健壮的连接。第三，将培养两名有经验的研究生。四是产生重分子离子量子控制和状态读出方面的科学成果。第五，将为一个致力于量子科学的研究和教育中心做好基础工作。作为基础研究和工业应用的主要研究重点，EPSCoR奖学金发起的量子科学研究提供了大量的职业机会，可以在提高女性、代表性不足的少数民族和第一代理工科大学生的招聘多样性和系统保留方面发挥关键作用。PI在UNLV的研究小组专注于开发极其敏感的量子传感器，利用分子离子探索超越标准模型的新物理。尽管QLS技术在原子钟、高电荷离子和分子离子的精密测量方面取得了显著进步，但它在测试基本对称性方面的应用，如探索cp违反效应，仍未得到探索。主要的挑战来自于违反cp的测量所需的偏置电场与QLS方案所需的运动纠缠之间的不相容。为了克服这一障碍，加州大学洛杉矶分校的PI小组提出了一种创新的旋转诱导量子控制协议。通过将QLS方案纳入新提出的精密计量方法，可以大大提高cp违反测量的灵敏度。反过来，这可能会导致发现或限制超出标准模型的新物理学。该方法适用于232ThF+、229ThF+、181TaO+、175LuOH+等多种分子种类。研究一般分子物种的能力使我们有机会同时研究基础物理学中的广泛问题。在该奖学金的支持下，PI小组有机会在NIST的大力支持下开发181TaO+精确光谱的指定QLS平台。这是迈向测量cp违反情况新时代的关键一步。此外，引进QLS技术将使UNLV的研究活动集中在光谱学和化学反应性方面研究锕系化学。该奖项反映了美国国家科学基金会的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

This Research Infrastructure Improvement Track-4 EPSCoR Research Fellows project will provide a fellowship to an Assistant Professor and training for one graduate student per project year at the University of Nevada Las Vegas (UNLV). This work will be conducted in collaboration with researchers at the National Institute for Standards and Technology (NIST). Pioneered by NIST in 2005, Quantum Logic Spectroscopy (QLS) stands as a revolutionary methodology enabling universal quantum control and detection of ions and has significantly impacted the fields of precision measurements. This fellowship aims to facilitate the transfer of QLS technology and expertise from NIST to UNLV. This objective will be realized through multiple means. The PI and graduate students will make several visits, each extending about a few months, to NIST. This will allow the researchers to gain hands-on experience and interact with NIST experts, while also having persistent efforts to establish a QLS experimental platform at UNLV. The anticipated outcomes will be multifold. First, a functional QLS platform will be established at UNLV. Second, a robust connection between NIST and UNLV will be created. Third, two experienced graduate students will be developed at UNLV. Fourth, scientific outputs in quantum control and state readout of heavy molecular ions will be generated. Fifth, the groundwork will be prepared for a research and education center dedicated to quantum science at UNLV. As a leading research focus in both fundamental studies and industrial applications, quantum science research initiated by this EPSCoR fellowship presents substantial career opportunities and can play a crucial role in enhancing the diversity of recruitment and systematic retention of women, underrepresented minorities, and first-generation college students in science and engineering. The PI’s research group at UNLV focuses on developing extremely sensitive quantum sensors using molecular ions to explore new physics beyond the Standard model. Although QLS technology has significantly advanced precision measurements in atomic clocks, highly charged ions, and molecular ions, its applications in testing fundamental symmetries, such as exploring CP-violating effects, remain unexplored. The primary challenge arises from the incompatibility between a biased electric field necessitated for CP-violating measurements and the motional entanglement required by the QLS scheme. To overcome this obstacle, the PI's group at UNLV has proposed an innovative rotation-induced quantum control protocol. By incorporating the QLS scheme into this newly proposed precision metrology approach, it is possible to greatly enhance the sensitivity of CP-violating measurements. This, in turn, could lead to the discovery or constraint of new physics beyond the Standard Model. Furthermore, this method could be applicable to a wide range of molecular species, such as 232ThF+, 229ThF+, 181TaO+, and 175LuOH+. The capability of investigating generic molecular species enables opportunities to study broad questions in fundamental physics in parallel. With the support of this fellowship, the PI’s group has opportunities to develop a designated QLS platform for precision spectroscopy of 181TaO+ with strong support from NIST. This constitutes a critical step towards ushering in a new era of CP-violation measurements. Moreover, introducing QLS technology will enable research activities at UNLV focused on studying actinide chemistry in terms of spectroscopy and chemical reactivity.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.