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基于“巨型超原子”模型 全新量子系统理论破解“退相干”难题
Ke Ji Ri Bao· 2026-02-28 00:58
Core Viewpoint - The research team from Chalmers University of Technology in Sweden has proposed a new quantum system theory based on "giant superatoms," which could pave the way for large-scale, scalable quantum computing by addressing the fundamental challenge of decoherence caused by the interaction of qubits with their environment [1][2]. Group 1: Quantum Computing Challenges - Quantum computers are expected to revolutionize fields such as drug development and encryption, but their progress has been hindered by the fragility of qubits, which can be disrupted by even minor environmental noise [1]. - Researchers have been focused on enhancing the stability and controllability of quantum systems to overcome these challenges [1]. Group 2: Giant Superatom Model - The proposed "giant superatom" model combines features of "giant atoms" and "superatoms," allowing for multiple spatially separated coupling points that can interact with environmental light or sound waves [2]. - This model enables the emission of waves that can return and influence the atom itself, creating a "echo" quantum effect that suppresses decoherence and provides memory capabilities [1][2]. Group 3: Practical Applications and Future Research - The giant superatom can operate collectively, allowing for non-local interactions between light and matter, which reduces reliance on complex external circuits [2]. - This system is expected to overcome previous limitations in achieving quantum entanglement, providing new tools for long-distance entanglement distribution, quantum networks, and high-sensitivity sensors [2]. - The research has revealed the intrinsic mechanisms of interaction between giant superatoms and light, showcasing two coupling configurations with practical potential for lossless quantum state transfer and directional quantum signal transmission [2]. - The work is still in the theoretical stage, with plans for further experimental preparation, and the concept may integrate with other quantum systems, offering new ideas for developing hybrid quantum platforms [2].
【新华社】离量子世界更进一步!科研人员发现新规律
Xin Hua She· 2026-01-29 03:44
Core Insights - A research team from the Chinese Academy of Sciences and Peking University has discovered a preheating phase in quantum systems, which could enhance the understanding and control of complex quantum phenomena [1] Group 1: Research Findings - The study reveals that if a quantum system heats up too quickly during evolution, it can lead to unreliable storage and retrieval of quantum computing results [1] - Understanding the heating dynamics is crucial for designing controllable quantum operations and extending the lifespan of quantum states, which directly impacts the practicality of quantum computing [1] - The research identified a transient and relatively stable preheating phase during the thermalization process, which can be manipulated to potentially aid in quantum information preservation [1]
离量子世界更进一步!我国科研团队成功掌握量子系统热化节奏
Jing Ji Guan Cha Wang· 2026-01-29 01:21
Core Insights - The research team from the Chinese Academy of Sciences has made significant progress in understanding and controlling complex quantum systems, as published in the journal "Nature" [1] - The concept of "preheating" in quantum systems, where energy input does not immediately lead to chaos but instead stabilizes at a certain level, has been identified [2][4] Group 1: Quantum System Dynamics - The process of heating a quantum system resembles the melting of ice, where initial energy input leads to a stable phase before chaos ensues [2] - Scientists can manipulate the duration of this "preheating platform" by adjusting the heating method and rhythm, delaying the onset of complexity in the system [2] Group 2: Experimental Findings - The experiments were conducted on a superconducting chip containing 78 qubits, named "Zhuangzi 2.0," which demonstrated unique advantages in simulating complex systems [4] - The findings indicate that quantum computers can predict complex evolutions that classical computers cannot, bringing researchers closer to mastering the intricate quantum world [4]
离量子世界更进一步!科研人员发现新规律
Xin Hua She· 2026-01-29 00:09
Core Insights - A research team from the Chinese Academy of Sciences and Peking University has discovered a controllable pre-thermalization phase in quantum systems, which could enhance the understanding and control of complex quantum phenomena [1] Group 1: Research Findings - The study reveals that during the thermalization process, quantum systems exhibit a brief and relatively stable pre-thermalization phase that can be manipulated, offering potential for quantum information preservation [1] - Understanding the thermalization dynamics is crucial for designing controllable quantum operations and extending the lifespan of quantum states, which directly impacts the practicality of quantum computing [1] Group 2: Publication and Implications - The findings have been published in the international academic journal "Nature," indicating the significance of the research within the scientific community [1]
【中国新闻网】两院院士评出2025世界十大科技进展:脑机接口、黑洞合并等入选
Zhong Guo Xin Wen Wang· 2026-01-27 02:36
Core Insights - The article highlights significant advancements in technology and science, particularly in brain-computer interfaces, quantum systems, and astronomical discoveries, which have been recognized as major scientific achievements for 2025 [3][4][5][6][7]. Group 1: Brain-Computer Interfaces - A brain-computer interface has enabled a patient with severe speech impairment to communicate expressively, converting brain activity into speech almost in real-time, showcasing the potential for aiding those with communication disorders [4][6]. - The system allows for the expression of intonation and emphasis, enhancing the natural characteristics of speech [4]. Group 2: Quantum Technology - The development of the first integrated "electronic-photonic-quantum" chip system marks a milestone in quantum technology, combining quantum light sources with electronic circuits on a single chip, paving the way for mass production of quantum systems [4]. Group 3: Black Hole Discoveries - The detection of the largest black hole merger to date, with masses of approximately 100 and 140 solar masses merging to form a 225 solar mass black hole, challenges existing models of black hole formation and provides new insights into their growth [5]. Group 4: Neutrino Research - Scientists have identified the highest energy neutrinos to date, with energies 20 times greater than previous detections, suggesting they originate from outside the Milky Way, although their exact source remains unknown [5]. Group 5: Time Crystals - The creation of the first visible "time crystal" represents a breakthrough in material science, allowing for the observation of a state of matter that repeats in time, which could have applications in verifying the authenticity of currency [5]. Group 6: Organ Transplantation - A genetically modified pig kidney has survived for 61 days in a human recipient, setting a record for xenotransplantation and providing insights into overcoming organ rejection [6]. Group 7: Cosmic Observations - A ground-based telescope has successfully detected signals from the universe 13 billion years ago, shedding light on the early universe and aiding in the understanding of cosmic microwave background radiation [6]. Group 8: Cosmic Mapping - The release of the largest cosmic map to date, based on data from the James Webb Space Telescope, includes over 780,000 galaxies and spans 13.5 billion years, challenging existing knowledge of the early universe [6]. Group 9: Brain Mapping - The largest and most detailed brain connectivity map has been created, involving over 150 neuroscientists, which includes more than 200,000 brain cells and over 500 million synaptic connections [7]. Group 10: AI Achievements - DeepMind's advanced AI model, Gemini, has achieved scores equivalent to gold medal levels in the International Mathematical Olympiad, demonstrating significant advancements in artificial intelligence capabilities [7].
河南首个中大型无人机整机生产制造项目落户航空港区;消息称闪迪放弃超500亿美元在美大型晶圆厂建设投资项目丨智能制造日报
创业邦· 2025-07-18 04:21
Group 1 - The first medium and large drone manufacturing project in Henan Province has been established in the Zhengzhou Aviation Port District, which will support the development of a low-altitude economy industry cluster [1] - The project involves a strategic cooperation agreement between Zhongyu Aviation Group, Aerospace Times Feipeng, and the Zhengzhou Aviation Port District Management Committee, focusing on "business cooperation + industrial investment" [1] - The flagship product introduced is the FP-981CS medium drone production line, aiming to create a comprehensive low-altitude economic industry cluster that includes manufacturing, operation, maintenance, and training [1] Group 2 - SanDisk has abandoned a semiconductor manufacturing facility project in Michigan, which was valued at over $500 billion, due to significant national economic uncertainties [2] - The project was expected to be the largest private economic investment in Michigan's history, but the company has no plans to relocate the project to other locations within the U.S. [2] Group 3 - A team from Boston University, UC Berkeley, and Northwestern University has developed the world's first integrated electronic-photonic-quantum chip system, which combines quantum light sources with stable electronic circuits on a single chip [3] - This innovation lays the groundwork for mass production of "quantum light factory" chips and the construction of large-scale quantum systems [3] Group 4 - SK On has signed a lithium hydroxide supply agreement with EcoPro Innovation, planning to procure up to 6,000 tons of lithium hydroxide from South Korea by the end of this year [4] - The materials will be processed in South Korea and then exported to SK On's battery manufacturing base in the U.S., sufficient for the production of batteries for approximately 100,000 electric vehicles [4]