Chinese scientists at the University of Science and Technology of China have made a breakthrough in the field of quantum error correction (QEC) based on superconducting quantum circuits, contributing to the development of quantum computing.
Using the 107-qubit Zuchongzhi 3.2 processor, which can achieve a high-fidelity readout with an error rate of only 0.95 percent within around 300 nanoseconds, the scientist team has successfully implemented an all-microwave leakage suppression architecture on a distance-7 surface code, achieving a significant decrease in the logical error rate by effectively suppressing the leakage of quantum information as the surface code distance increases.
The experimental result also proves that the system is operating below the error correction threshold, and has successfully improved accuracy with corrective measures.
"Just like when many people come to vote, only when each person's judgment is accurate can the vote cast be accurate; otherwise, as the number of voters increases, the vote cast become even less accurate. Therefore, only when the accuracy of each person's vote exceeds a certain threshold can the team's advantage be brought into play. In other words, as the number of qubits increases, the more error corrections are performed, the more accurate the result become," Zhu Xiaobo, a professor with the University of Science and Technology of China, explained.
Achieving "below-threshold" quantum error correction is a long-sought core goal in the global quantum computing field and one of the key milestones to verify whether quantum computing systems can move from prototypes to practical applications. The new technique also provides a more advantageous solution for building million-qubit quantum computers in the future.
Chinese scientists achieve breakthrough in quantum error correction
China's top housing authority has pledged to stabilize the real-estate market, rolling out a package of measures centered on city-specific policies to reduce inventories and optimize housing supply.
At a national conference held in Beijing on Tuesday, the Ministry of Housing and Urban-Rural Development announced that stabilizing the real estate market will be a central priority next year.
In 2026, local governments across China are expected to focus on city-specific policies aimed at controlling new housing supply, reducing existing inventory, and optimizing housing availability. Efforts will be integrated with urban renewal projects and the redevelopment of urban villages to revitalize and better utilize existing land resources. Authorities will also promote the acquisition of unsold commercial housing stock for conversion into affordable housing, resettlement units, dormitories, and apartments for skilled professionals.
The supply of government-subsidized housing will be optimized and implemented with greater precision, while a national housing quality improvement initiative will advance the orderly construction of "good homes." The role of the real estate project "whitelist" system will be further expanded to support the reasonable financing needs of property developers.
Municipal governments are encouraged to make full use of their autonomy in real estate regulation, adjusting and refining housing policies as appropriate to support both rigid and improvement-oriented housing needs, thereby fostering stable operation across local property markets.
China will also accelerate the formation of a new development model for the real estate sector. This includes building a foundational institutional framework, solidifying the corporate-based project development model, implementing a lead bank system for real estate financing, and promoting the sale of completed homes, effectively reducing the risk of delivery failures. For areas that continue with pre-sale practices, stricter oversight will be applied to the management of pre-sale funds to protect buyers' legal rights.
At the same time, reforms to the housing provident fund system will be deepened. The government will launch a campaign to improve the quality of property services and explore a new model of community governance led by grassroots Party organizations in collaboration with neighborhood committees, homeowners' associations, and property management companies. Moreover, the "property services plus lifestyle services" model will be explored, expanding property-related services into households.
China pledges to stabilize property market
