3 papers
quant-ph2026
Bypassing the protection-sensitivity incompatibility in quantum-error-corrected metrology via asymmetric codes
Junjie Chen, Rui Luo, Zhenyu Du +3
Quantum metrology surpasses the classical precision limit by encoding signals in a probe state such that signal contributions are indistinguishable and their phases accumulate cohe…
quant-ph2025
Variational LOCC-assisted quantum circuits for long-range entangled states
Yuxuan Yan, Muzhou Ma, You Zhou +1
Long-range entanglement is an important quantum resource, particularly for topological orders and quantum error correction. In reality, preparing long-range entangled states requir…
quant-ph2024
Quantum subspace verification for error correction codes
Junjie Chen, Pei Zeng, Qi Zhao +2
Benchmarking the performance of quantum error correction codes in physical systems is crucial for achieving fault-tolerant quantum computing. Current methodologies, such as (shadow…