The University of Science and Technology of China (USTC) has achieved a groundbreaking development in the exploration of exotic spin interactions. Led by Academician DU Jiangfeng, a team of researchers from USTC has successfully utilized solid-state spin quantum sensors based on nitrogen-vacancy (NV) centers in diamonds. This innovative approach has allowed them to investigate these interactions on a microscale, leading to invaluable insights and experimental constraints.
The search for exotic spin interactions induced by new bosons has recently gained significant attention due to its potential to address fundamental questions beyond the standard model. By employing diamond NV centers as quantum sensors, the USTC team has constructed high-sensitivity detectors capable of investigating spin interactions between electrons and nuclei. With the extension of their experimental searches to sub-micrometer scales, the team now has the ability to make precise measurements of various spin phenomena.
The Advancements in Sensor Capabilities
To enhance the capabilities of their sensors, the USTC researchers developed a unique process for growing the electron spin of a high-quality diamond NV ensemble. This upgrade transformed the single-spin detector into an ensemble spin sensor, significantly improving the detection accuracy and enabling experimental searches for exotic spin interactions. Additionally, the team combined microelectromechanical systems (MEMS) technology with silicon-based nanofabrication, resulting in the creation of a scalable spin-mechanical quantum chip. This groundbreaking achievement has improved observation constraints by two orders of magnitude at distances smaller than 100 nanometers.
Through their pioneering work, the USTC team has showcased the unique advantages of using solid-state spin quantum sensors for studying physics beyond the standard model. This breakthrough has the potential to inspire widespread interest and advancements in multiple fundamental sciences, including cosmology, astrophysics, and high-energy physics. By unlocking new possibilities for exploring exotic spin interactions, researchers can delve deeper into our understanding of the universe and its fundamental building blocks.
The research led by Academician DU Jiangfeng and his team at USTC has pushed the boundaries of scientific exploration. Their utilization of solid-state spin quantum sensors based on nitrogen-vacancy centers in diamonds has opened new doors for investigating exotic spin interactions. With these sensors, the team can now explore these interactions at the microscale, providing valuable insights and experimental constraints. The advancements in sensor capabilities, such as the growth process of diamond NV ensembles and the creation of a scalable spin-mechanical quantum chip, have significantly improved the detection accuracy and expanded the range of experimental searches. The implications of this breakthrough extend far beyond the field of quantum physics, inspiring progress in cosmology, astrophysics, and high-energy physics. As we continue to unlock the secrets of the universe, the revolutionary findings of the USTC team pave the way for exciting new discoveries and advancements in fundamental sciences.