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科学家直接观测到重费米子量子纠缠
Ke Ji Ri Bao· 2025-08-07 23:34
Core Insights - Scientists from Osaka University and Hiroshima University have observed quantum entanglement in cerium rhodium tin (CeRhSn) material, regulated by Planck time, marking a significant advancement in quantum computing research [1][2] - The study published in the journal "npj Quantum Materials" highlights the unique properties of heavy fermions and their potential applications in solid-state quantum computers [1][2] Group 1: Quantum Entanglement and Heavy Fermions - The research confirms that the behavior of heavy fermions aligns with the mathematical description of quantum entanglement, with entanglement duration influenced by Planck time [2] - Heavy fermions are formed due to strong interactions between conduction electrons and localized magnetic electrons, leading to unconventional superconductivity and other unique properties [1] - The unique lattice structure of CeRhSn exhibits geometric frustration, preventing the system from reaching a stable energy state, thus resulting in various quantum phenomena [1] Group 2: Implications for Quantum Computing - The findings provide a deeper understanding of the nature of quantum entanglement and the complex interactions between heavy fermions, paving the way for manipulating quantum states in solid materials [2] - Continued research on these entangled states could offer new solutions for quantum communication and quantum computing technologies [2]
重磅!Quantum Design拟6000万英镑收购牛津仪器纳米科学业务
仪器信息网· 2025-06-17 06:28
Core Viewpoint - Quantum Design announced the acquisition of the NanoScience Division of Oxford Instruments for a total price of £60 million in cash, expected to be completed by the end of September 2025, pending regulatory approval [2][3][8]. Group 1: Acquisition Details - The acquisition will merge two leading companies in the low-temperature systems field, combining Quantum Design's advanced physical measurement systems with Oxford Instruments' ultra-low temperature instrumentation [3][4]. - The deal includes a potential deferred payment of up to £3 million linked to future revenue from quantum expansion systems [8]. Group 2: Financial Performance - The NanoScience Division generated approximately £59 million in revenue and £1.1 million in adjusted operating profit for the fiscal year 2025 [8]. - Post-sale, Oxford Instruments plans to return up to £50 million to shareholders through share buybacks, leveraging a strong balance sheet and expected cash from the sale [9]. Group 3: Strategic Implications - The merger is expected to create synergies in product offerings and expertise, enhancing the combined company's ability to serve a wide range of applications in materials science research, including next-generation storage technology and quantum computing [4]. - The CEO of Oxford Instruments stated that the sale aligns with the group's strategy to focus on areas with the best growth opportunities, particularly in materials analysis, semiconductors, and healthcare [11].