基于超导量子芯片的暗物质搜寻新架构提出

Core Insights - The research team from the University of Science and Technology of China has developed a scalable dark matter search architecture based on superconducting qubit systems, successfully validating it through experimental tests on multi-qubit superconducting chips [1][2] - Dark matter constitutes approximately 25% of the total mass of the universe, with ultra-light bosonic dark matter candidates like axions and dark photons gaining significant attention in recent years [1] - The proposed architecture aims to address the technical challenges of balancing measurement range and detection sensitivity in dark matter searches, which have been a limitation in existing experimental setups [2] Summary by Sections - Research Development - The team has integrated multiple frequency-tunable superconducting qubits on a single chip to create a scalable dark matter search framework [2] - A 3-qubit superconducting chip was designed to simultaneously search for dark photons in three energy ranges: 15.632–15.638, 15.838–15.845, and 16.463–16.468 micro-electron volts [2] - Experimental Results - The experimental results provided the most stringent coupling limits for dark photons within the specified energy ranges, improving upon previous astronomical observation-based limits by 1 to 2 orders of magnitude [2] - Future Implications - This work demonstrates the potential applications of superconducting qubits in particle physics and lays the groundwork for achieving broader mass ranges and higher precision in dark matter detection in the future [2]