The protected ELQ could be applied in future explorations Logical qubits is demonstrated for the first time with the measured Bell signalī=2.250$\pm$0.019 after purification, surpassing the classical bound by 13 In addition, violation of the Bell inequality by Improved by 45$\%$ compared with the unprotected ELQ and exceeds that of theĮntangled physical qubits. The entanglement is protected by repetitive quantum errorĬorrection, and the coherence time of the purified ELQ via error detection is Quantum module by encoding quantum information into spatially separated Here, we experimentally realize entangled logical qubits (ELQ) with a bosonic Quantum error-correcting codes (QECCs) are designed for correcting errors in the quantum communication channels. Potential advantages in applications are hindered by decoherence in practice. Errors are corrected by a quantum-feedback. Physics during the last century and is also one of the most essential resources We implement multiple quantum error correction cycles for phase-flip errors on qubits encoded with trapped ions.
#Quantum error correction and quantum foundation pdf
Download a PDF of the paper titled Protecting quantum entanglement between error-corrected logical qubits, by Weizhou Cai and 13 other authors Download PDF Abstract: Entanglement represents one of the most important conceptual advances in Quantum error correction protects information stored in two-level quantum systems (qubits) by rectifying errors with operations conditioned on the measurement.
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