↑点击上面图片 加雪球核心交流群 ↑ A股三大指数今日集体调整，截至收盘，上证指数跌0.51%，深证成指跌0.78%，创业板指跌1.12%。 全市场全天成交额16836亿元，较上日放量763亿元。全市场超3800只个股下跌。 板块题材上，培育钻石、煤炭开采加工、风电设备、中药、机场航运、工业金属、多元金融板块涨幅居前；智谱ai、文化传媒、云班课、短剧游戏 等AI应用方向跌幅居前。 来看看今天的市场热点。 后续仍有多款民营火箭待发，均有望对板块构成新催化，仍值得重点关注。 02 培育钻石全天领涨 来看一下今天全天强势的板块——培育钻石；板块整体上涨2.29%，个股方面：四方达涨15.37%，惠丰钻石涨10.14%，黄河旋风涨停。 01 地天板，股价跟着火箭涨跌！ 今日，航天动力这支股票吸引了很多投资者的关注，一度冲到了雪球热股榜第一的位置。从当天行情来看，盘中是走出了一个"地天板"的行情，但 未能保持涨停节奏，截止收盘是涨6.46%。 | 凯大动力 | | | | | | | | --- | --- | --- | --- | --- | --- | --- | | 600343 已收盘 12-03 15:00 ...

Core Insights - A research team from Princeton University has developed a new type of diamond quantum sensor that enhances magnetic field detection sensitivity by approximately 40 times compared to existing technologies, enabling the observation of previously "invisible" magnetic fluctuations in condensed matter [1][2] Group 1: Technology and Methodology - The new sensor is based on engineered diamond defects, specifically ultra-pure diamonds that are significantly purer than natural diamonds, with only one atom missing in a lattice of billions [1] - The team implanted two nitrogen vacancy centers approximately 10 nanometers apart on the diamond surface, allowing them to interact at the quantum level and form entanglement, which significantly improves sensitivity by extracting highly correlated magnetic signals from background noise [1] - The implantation process involves bombarding the diamond with nitrogen molecules at a speed exceeding 30,000 feet per second, allowing for precise control over the depth and spacing of the nitrogen atoms, which is crucial for achieving quantum entanglement [1] Group 2: Applications and Future Prospects - This breakthrough allows researchers to directly observe previously difficult-to-access magnetic noise and electronic behaviors at the atomic scale, including electron propagation and scattering processes, as well as the evolution of magnetic flux vortices in superconducting materials under special conditions [2] - The new quantum sensor is expected to be used in the study of unconventional superconductors and topological quantum states, providing experimental evidence for the design of next-generation quantum materials [2]