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quant-ph2026
Constant-depth adaptive preparation of Dicke and symmetric states
Rui Luo, Junjie Chen, Xiongfeng Ma
Efficient preparation of Dicke states and, more generally, permutation-symmetric states is important for quantum metrology, quantum networking, and collective quantum information p…
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…