量子科技重要突破!我国科学家首次实现→
Shang Hai Zheng Quan Bao·2025-11-29 06:30

Core Insights - The research team from the University of Science and Technology of China, in collaboration with Shanxi University, achieved a significant breakthrough by realizing and detecting higher-order non-equilibrium topological phases using the programmable superconducting quantum processor "Zuchongzhi 2" [1] Group 1: Research Achievements - The research marks an important advancement in quantum simulation, laying the groundwork for achieving quantum advantage in quantum simulation problems [1] - The team proposed static and Floquet quantum circuit design schemes for higher-order topological phases, addressing the critical challenge of constructing higher-order balanced and non-equilibrium topological Hamiltonians in a two-dimensional superconducting qubit array [1] - A universal framework for dynamical topological measurement was developed, enhancing the understanding of complex topological states [1] Group 2: Experimental Results - Researchers established a systematic processor optimization scheme, achieving dynamic control of qubit frequency and coupling strength through precise calibration [1] - In a 6×6 qubit array, the team successfully executed up to 50 Floquet periods of evolution operations, marking the first successful realization of four different types of non-equilibrium second-order topological phases [1] - The study systematically explored the energy spectrum, dynamical behavior, and topological invariants of the identified topological phases [1]