University of Sydney Demonstrates Multi-Qubit Logical Entanglement and 170-Round Stability on IBM Square-Lattice Nighthawk r2 Processor

University of Sydney researchers have demonstrated significant advancements in quantum error correction on IBM Quantum's ibm_phoenix processor. They achieved multi-qubit fault-tolerant logic and sustained error suppression for up to 170 rounds using a novel dynamic "walking" syndrome circuit. This…

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