Core Insights - Chinese scientists have successfully observed a new type of "thermal" topological edge state on a 125-bit superconducting quantum chip, paving a new path for protecting fragile quantum information [1][4] - The research was published in the latest issue of Nature and involved collaboration between Tsinghua University and Zhejiang University [1] Group 1: Research Findings - The study focuses on symmetry-protected topological edge states, which are novel states of matter in condensed matter physics, known for their resistance to specific symmetry disturbances and potential in quantum information [4] - The research team conducted quantum simulation experiments using the "Tianmu 2" superconducting quantum chip, which features flexible programmability and high-precision synchronous quantum logic operations [4] - The team successfully observed topological edge states that are unaffected by thermal excitations during approximately 270 layers of quantum circuit evolution, and they investigated the dynamics of thermal excitations in a preheated state [4] Group 2: Methodology and Implications - The research established a feasible digital quantum simulation method based on high-precision control of the 100-bit superconducting quantum chip, providing new experimental means to explore topological materials at finite temperatures [4] - The team also utilized robust topological edge states to encode and prepare logical Bell states, effectively validating their robustness against thermal excitations [4]
重大突破!中国科学家成功观测→
Ke Ji Ri Bao·2025-08-28 12:30