记者从中国科学技术大学获悉：该校自旋磁共振实验室彭新华教授和江敏教授团队在《自然》杂志发表 最新研究成果，他们革新核自旋量子精密测量技术，成功搭建国际首个基于原子核自旋的量子传感网 络，让暗物质探测灵敏度实现质的飞跃。 研究人员表示，这一突破意味着，人类搜寻暗物质的"工具库"中，又新增了一款更精准的量子"捕手"。 本次研究不仅为暗物质探测开辟了新路径，其网络化、分布式探测思路，未来还可与引力波天文台协 同，用于搜寻更多宇宙奥秘。（记者李俊杰） ...

本文转自【人民日报】； 记者从中国科学技术大学获悉：该校自旋磁共振实验室彭新华教授和江敏教授团队在《自然》杂志发表 最新研究成果，他们革新核自旋量子精密测量技术，成功搭建国际首个基于原子核自旋的量子传感网 络，让暗物质探测灵敏度实现质的飞跃。 研究人员表示，这一突破意味着，人类搜寻暗物质的"工具库"中，又新增了一款更精准的量子"捕手"。 本次研究不仅为暗物质探测开辟了新路径，其网络化、分布式探测思路，未来还可与引力波天文台协 同，用于搜寻更多宇宙奥秘。 原标题：量子"捕手"为寻找暗物质提供新工具 ...

Core Insights - The research team from the University of Science and Technology of China has developed a groundbreaking quantum sensing network based on atomic nuclear spins, marking the first of its kind internationally [1] - This quantum detection network, connecting Hefei and Hangzhou, significantly enhances the sensitivity for dark matter detection, providing a new pathway to unravel this cosmic mystery [1] Group 1: Quantum Sensing Technology - The team has equipped the quantum sensors with two key innovations: storing fleeting signals in a nuclear spin coherence state for nearly a minute, which greatly extends the detection window [2] - They also developed a self-research quantum amplification technology that enhances weak signals by a factor of 100, making it easier to detect subtle signals [2] Group 2: Network Deployment and Results - Five ultra-sensitive quantum sensors were deployed in Hefei and Hangzhou, synchronized via satellite time, creating a distributed detection network that significantly reduces false positives and enhances reliability [2] - Although the team did not capture clear signals of the "dark matter wall," they established the most stringent limits on dark matter models across a wide range of axion masses, achieving precision 40 times greater than results from supernova observations [2] Group 3: Future Prospects - The research opens new avenues for dark matter detection and the distributed detection approach could be integrated with gravitational wave observatories to explore more cosmic mysteries [2] - The team plans to expand the quantum detection network's coverage globally and through space deployment, aiming to enhance detection sensitivity by four additional orders of magnitude [2]

Core Insights - The research team from the University of Science and Technology of China has developed the world's first quantum sensing network based on atomic nuclear spins, significantly enhancing the sensitivity for dark matter detection [1][2] - Dark matter constitutes approximately 26.8% of the universe's total mass, yet it does not emit light or interact electromagnetically with ordinary matter, making it a critical component of the universe's structure [1] - The study introduces a new quantum sensor technology that can store fleeting signals for nearly a minute and amplify weak signals by 100 times, improving the chances of detecting dark matter interactions [1][2] Group 1 - The quantum sensing network connects Hefei and Hangzhou, utilizing satellite synchronization for precise time correlation, which enhances the reliability of detection results by filtering out noise [2] - Although the team did not capture a clear signal of the "dark matter wall," they established stringent limits on dark matter models across a wide range of axion masses, achieving a precision 40 times greater than astronomical observations using supernovae [2] Group 2 - This breakthrough adds a more precise "quantum tool" to humanity's arsenal for dark matter detection, paving the way for future collaborations with gravitational wave observatories to explore more cosmic mysteries [4] - The research team plans to expand the quantum detection network's coverage through global networking and space deployment to further enhance dark matter detection sensitivity [4]

Core Insights - The research team from the University of Science and Technology of China has developed the world's first quantum sensing network based on atomic nuclear spins, significantly enhancing the sensitivity for dark matter detection [1][2] - Dark matter constitutes approximately 26.8% of the universe's total mass, yet it does not emit light or interact electromagnetically with ordinary matter, making it a critical component of the universe [1] - The research introduces a new method for detecting axions, a leading candidate for dark matter, by capturing fleeting signals that occur when the Earth passes through a "dark matter wall" [1] Group 1 - The team has equipped quantum sensors with two key technologies: storing transient signals in nuclear spin coherence states for nearly a minute, and enhancing weak signals by a factor of 100 [2] - A distributed detection network was established by deploying five ultra-sensitive quantum sensors in Hefei and Hangzhou, synchronized via satellite, allowing for multi-site comparison and verification of cosmic signals [2] - Although the team did not capture a definitive signal of the "dark matter wall," they established the most stringent limits on the axion mass range, surpassing astronomical observations by a factor of 40 in certain mass intervals [2] Group 2 - This breakthrough adds a more precise "quantum tool" to humanity's arsenal for dark matter detection, paving the way for new pathways in exploring dark matter [2] - The networked and distributed detection approach could potentially collaborate with gravitational wave observatories to uncover more cosmic mysteries in the future [2] - Future plans include expanding the "quantum detection network" globally and deploying it in space to further enhance dark matter detection sensitivity [3]