[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fet3KF_RntSi1CzO7UZL7bFtAAWFj2TTVtTmaacqmI3E":3},{"code":4,"msg":5,"data":6},200,"操作成功",{"id":7,"title":8,"content":9,"digest":10,"source":10,"coverPath":11,"thumbsCoverPath":12,"isTop":13,"isShow":14,"baseClick":13,"clickCount":15,"createTime":16,"typeId":17,"isNewest":18,"newsInfoTypeRespVo":19,"voiceUrl":22,"voiceSize":23,"taskId":24,"releaseTime":25,"titleEn":26,"contentEn":27,"voiceUrlEn":28,"taskIdEn":29,"voiceSizeEn":30},1182,"反物质量子比特首次演示 为精准比较物质与反物质的行为差异开辟新路径","\u003Cp>\u003Cstrong style=\"color: rgb(255, 153, 0); font-size: 18px;\">欧洲核子研究中心（CERN）的BASE合作组23日在《自然》杂志上发表了一项突破性成果：首次让一个反质子在量子“自旋上”与“自旋下”状态之间持续稳定地振荡了近一分钟。这标志着首个反物质量子比特的诞生，是反物质研究领域取得的一次重大突破，为更精准地比较物质与反物质的行为差异开辟了新路径。\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">反质子是质子的反物质对应粒子，质量相同但电荷相反。它们就像微小的条形磁铁，可以因量子自旋的不同朝向“上”或“下”两个方向。科学家可利用“相干量子跃迁光谱”技术，测量这些所谓“磁矩”翻转的方式。这项技术不仅在量子传感和量子信息处理中具有重要作用，也为检验自然界基本法则提供了精密工具，特别是电荷—宇称—时间（CPT）对称性。这种对称性规定，物质与反物质在所有物理行为上应完全一致，然而科学家观察到的宇宙却几乎完全由物质构成，这与理论存在明显矛盾。\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">目前，相干量子跃迁已在大量粒子集合和束缚离子中观察到，但还从未在一个自由的、具备核磁矩的单一粒子上实现过，尽管这种粒子在物理学教科书中频频出现。现在，团队在CERN的反物质工厂中首次做到了这一点。他们采用相干量子跃迁光谱技术，让一个被困于电磁阱中的单个反质子在两个自旋态之间来回跃迁，并保持量子相干状态长达50秒。这一“相干时间”创下了反物质研究中的新纪录。\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">团队将这一过程形象地比作“推秋千”：在恰当时机给予粒子适度“推动”，便可使其在两个状态间以节奏均匀、连贯的方式来回摆动。不同于传统的非相干测量方法，该实验显著抑制了磁场波动和环境干扰带来的“量子退相干”效应，使得反质子的量子态得以保持更久，从而实现了更加稳定和精准的测量。\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">BASE合作组发言人斯特凡·乌尔默表示，这是人类首次实现反物质量子比特，为今后在单个物质和反物质粒子上开展更精准的相干光谱实验奠定了基础。最重要的是，这将使研究人员在未来实验中测量反质子磁矩的精度提高10至100倍。\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"color: rgb(187, 187, 187);\">【新闻来源】科技日报 作者：张佳欣\u003C\u002Fspan>\u003Ca href=\"https:\u002F\u002Fwww.kczg.org.cn\u002Frules\u002Fdetail?id=6348460\" rel=\"noopener noreferrer\" target=\"_blank\" style=\"color: rgb(187, 187, 187);\"> https:\u002F\u002Fwww.kczg.org.cn\u002Frules\u002Fdetail?id=6348460\u003C\u002Fa>\u003C\u002Fp>\u003Cp class=\"ql-align-justify\">\u003Cspan style=\"color: rgb(187, 187, 187);\">（本网转发此文章，旨在为读者提供更多的信息资讯，所涉内容不构成投资、消费建议。文章事实如有疑问，请与有关方核实，文章观点非本网观点，仅供读者参考。）\u003C\u002Fspan>\u003C\u002Fp>","","https:\u002F\u002Fimage.51xinwei.com\u002F2025\u002F08\u002F85fa5a3e744e437499d5a7fa91d458c6\u002F超限探索.jpg","https:\u002F\u002Fimage.51xinwei.com\u002F2025\u002F08\u002Fthumbs\u002F85fa5a3e744e437499d5a7fa91d458c6\u002F超限探索.jpg",0,1,280,"2025-08-05 18:16",2,false,{"id":17,"name":20,"enName":21},"芯位视野","Xinwei Vision","https:\u002F\u002Fxinwei-dev-test.oss-cn-shenzhen.aliyuncs.com\u002Fintelligent\u002Faudio%3A2f1d1d56-ffd1-4db9-9296-523d14671905%3A0.wav?Expires=1754393351&OSSAccessKeyId=LTAI5tNvY2RkKjZw4LLWsrPK&Signature=6s9BLvSXynULF%2BEJKV25zKUWTAs%3D",4382778,"2f1d1d56-ffd1-4db9-9296-523d14671905","2025-08-05 18:19","First Demonstration of Antimatter Qubit Opens New Path for Precise Comparison of Matter and Antimatter Behavior","\u003Cp>\u003Cstrong style=\"color: rgb(255, 153, 0); font-size: 18px;\">The BASE collaboration at CERN published a groundbreaking achievement in the journal Nature on the 23rd: for the first time, an antiproton has been made to stably oscillate between \"spin-up\" and \"spin-down\" states for nearly a minute. This marks the birth of the first antimatter qubit, representing a major breakthrough in the field of antimatter research, and opens up a new path for more precise comparison of the behavior differences between matter and antimatter.\u003C\u002Fstrong>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">Antiprotons are the antimatter counterparts of protons, with the same mass but opposite charge. They act like tiny bar magnets, capable of pointing \"up\" or \"down\" in two directions due to different quantum spin orientations. Scientists can use the \"coherent quantum transition spectroscopy\" technique to measure the way these so-called \"magnetic moments\" flip. This technique not only plays an important role in quantum sensing and quantum information processing, but also provides a precision tool for testing fundamental laws of nature, especially the charge-parity-time (CPT) symmetry. This symmetry dictates that matter and antimatter should be completely identical in all physical behaviors, yet the universe observed by scientists is almost entirely composed of matter, which contradicts the theory clearly.\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">Currently, coherent quantum transitions have been observed in large particle ensembles and trapped ions, but never before on a single free particle with a nuclear magnetic moment, despite its frequent appearance in physics textbooks. Now, the team has achieved this for the first time at CERN's antimatter factory. They used coherent quantum transition spectroscopy to make a single antiproton trapped in an electromagnetic trap oscillate between two spin states, maintaining a quantum coherent state for as long as 50 seconds. This \"coherence time\" sets a new record in antimatter research.\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">The team likened the process to \"pushing a swing\": giving the particle an appropriate \"push\" at the right time allows it to swing back and forth between two states in a uniform and coherent manner. Unlike traditional incoherent measurement methods, this experiment significantly suppresses the \"quantum decoherence\" effects caused by magnetic field fluctuations and environmental interference, allowing the quantum state of the antiproton to be maintained longer, thus achieving more stable and accurate measurements.\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"font-size: 18px;\">Stefan Ulmer, spokesperson for the BASE collaboration, stated that this is the first time humans have achieved an antimatter qubit, laying the foundation for more precise coherent spectroscopy experiments on individual matter and antimatter particles in the future. Most importantly, this will enable researchers to improve the precision of measuring the magnetic moment of antiprotons by 10 to 100 times in future experiments.\u003C\u002Fspan>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cbr>\u003C\u002Fp>\u003Cp>\u003Cspan style=\"color: rgb(187, 187, 187);\">[News Source] Science and Technology Daily Author: Zhang Jiaxin\u003C\u002Fspan>\u003Ca href=\"https:\u002F\u002Fwww.kczg.org.cn\u002Frules\u002Fdetail?id=6348460\" rel=\"noopener noreferrer\" target=\"_blank\" style=\"color: rgb(187, 187, 187);\"> https:\u002F\u002Fwww.kczg.org.cn\u002Frules\u002Fdetail?id=6348460\u003C\u002Fa>\u003C\u002Fp>\u003Cp class=\"ql-align-justify\">\u003Cspan style=\"color: rgb(187, 187, 187);\">（This article is forwarded by this website to provide readers with more information. The content does not constitute investment or consumption advice. If there are any questions about the facts in the article, please verify with the relevant parties. The views expressed in the article are not the views of this website and are for reference only.）\u003C\u002Fspan>\u003C\u002Fp>","https:\u002F\u002Fxinwei-dev-test.oss-cn-shenzhen.aliyuncs.com\u002Fintelligent\u002Faudio%3A4bde5eda-da83-4bfc-abb2-f50f68ff32fd%3A0.wav?Expires=1774838503&OSSAccessKeyId=LTAI5tNvY2RkKjZw4LLWsrPK&Signature=52Gd%2Fxc9uKyqcRkRpN%2BD9G0aGag%3D","4bde5eda-da83-4bfc-abb2-f50f68ff32fd",5759106]