In a groundbreaking discovery, a team of researchers led by Academician DU Jiangfeng from the University of Science and Technology of China (USTC) has made significant progress in exploring exotic spin interactions. By utilizing solid-state spin quantum sensors based on nitrogen-vacancy (NV) centers in diamonds, the team has successfully investigated these interactions at the microscale. This research opens up new possibilities for understanding fundamental questions beyond the standard model.
With the potential to address fundamental questions beyond the standard model, experimental searches for exotic spin interactions induced by new bosons have gained considerable attention. The team employed diamond NV centers as quantum sensors, pushing the boundaries of experimental searches to the sub-micrometer scale. This breakthrough allows for precise measurements of various spin phenomena and provides valuable insights into these interactions.
To enhance the capabilities of quantum sensors, the team focused on the growth process of electron spins in a high-quality diamond NV ensemble. This led to the upgrading of single-spin detectors to ensemble spin sensors, significantly improving the detection accuracy. The researchers were then able to conduct experimental searches for exotic spin interactions with greater precision.
To further enhance observation constraints, the team combined microelectromechanical systems (MEMS) technology with silicon-based nanofabrication. By leveraging the advantages of single NV centers as atomic-scale sensors, they created a scalable spin-mechanical quantum chip. This technological advancement improved observation constraints by two orders of magnitude at distances smaller than 100 nanometers. The integration of MEMS technology has paved the way for more accurate measurements and expanded possibilities in studying physics beyond the standard model.
The achievements of this research have far-reaching implications for multiple fundamental sciences. By gaining a deeper understanding of exotic spin interactions, these findings will inspire and advance fields such as cosmology, astrophysics, and high-energy physics. The unique advantages of utilizing solid-state spin quantum sensors have opened up new avenues of exploration and are expected to drive widespread interest in these fundamental sciences.
The team of researchers led by Academician DU Jiangfeng has made a significant breakthrough in exploring exotic spin interactions. By employing solid-state spin quantum sensors, specifically diamond NV centers, they have extended the range of experimental searches to the microscale. Their advancements in sensor capabilities and the integration of MEMS technology have led to more accurate measurements and improved observation constraints. These findings hold immense potential for understanding fundamental questions beyond the standard model and will contribute to the advancement of various fundamental sciences.
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