Fault-tolerant quantum architectures are systems designed to protect quantum information from errors due to decoherence and operational faults, ensuring reliable computation even in the presence of noise. These architectures leverage error-correcting codes and various techniques to maintain the integrity of quantum operations, making them crucial for scalable quantum computing. By implementing redundancy and careful circuit design, these systems can recover from errors and sustain their functionality over longer periods, which is essential for practical applications.
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