Quantum computers: Chinese scientists break the record with 51 qubits!

While all the lights are on with AI technologies, the year 2023 has also hosted some very important developments in the world. Quantitative statistics. This huge leap forward was made by a research team led by Xiao-bo Zhu of the University of Science and Technology of China.

scholars in question They managed to break the record for quantum entanglement with 51 qubits! This achievement is a critical step towards overcoming the NISQ, opening the door to massive leaps in processing capabilities.

The team’s pioneering experiments were carried out on Zuchongzhi, a quantum computer equipped with 66 superconducting qubits — the same qubit technology favored by IBM and other quantum computing leaders. Despite the extreme requirements of absolute zero, the researchers were able to manipulate qubits in the entangled state. The team used microwaves to interact with the magnetic fields of qubits, organizing them into specific sequences, or logic gates, like the structures that make up the CPU cores in conventional computers.

One can imagine quantum entanglement as a spider’s web, where every thread is interconnected, and any disturbance at any point in the web is felt throughout the structure. It is impossible to understand and describe a qubit without considering its relationship to all other entangled qubits.

Commenting on the discovery, Charles Hill, a researcher at the University of New South Wales, called entanglement “a key component of quantum algorithms,” underlining the importance of Chu and his team’s achievements.

check her Quantum entanglement Expanding beyond pairs of entangled qubits into larger groups has been a major challenge for researchers in the past, including Hill’s group. To overcome this hurdle, Zhu’s team developed an innovative detection protocol, which makes it possible to show entanglement on a large scale.

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