Google’s latest quantum computing chip, Willow, has achieved a remarkable 99.9% quantum coherence. This means the qubits can maintain their quantum state with minimal disruption from environmental noise. The chip’s coherence time, or T1 time, is significantly longer than previous models, allowing for more complex quantum computations. Willow also introduces advancements in quantum error correction, utilizing a surface code that enhances the reliability of quantum operations. These improvements could lead to practical applications in fields like cryptography, material science, and optimization problems. The chip’s performance metrics indicate a potential shift from theoretical quantum computing to real-world utility, with Google’s Nature paper detailing these advancements.
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