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Chinese scientists used a 78-qubit quantum processor to delay quantum chaos, extending coherence time via tunable driving patterns, a step toward practical quantum computing.
Researchers from the Chinese Academy of Sciences and Peking University used a 78-qubit quantum processor named "Chuang-tzu 2.0" to observe and control prethermalization—a temporary stable state that delays quantum chaos.
By applying a technique called Random Multipolar Driving, they extended the time quantum information remains coherent, slowing thermalization.
The findings, published in Nature, show that thermalization can be tuned by adjusting driving patterns, improving control over quantum systems.
This advance supports progress toward quantum advantage and more powerful quantum technologies.
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Los científicos chinos utilizaron un procesador cuántico de 78 qubits para retrasar el caos cuántico, extendiendo el tiempo de coherencia a través de patrones de conducción ajustables, un paso hacia la computación cuántica práctica.