Enhancing quantum metrology for multiple frequencies of oscillating magnetic fields by quantum control
Xin 昕 Lei 雷,
Jingyi 静怡 Fan 范,
Shengshi 盛世 Pang 庞
Abstract:Quantum multi-parameter estimation has recently attracted increased attention due to its wide applications, with a primary goal of designing high-precision measurement schemes for unknown parameters. While existing research has predominantly concentrated on time-independent Hamiltonians, little has been known about quantum multi-parameter estimation for time-dependent Hamiltonians due to the complexity of quantum dynamics. This work bridges the gap by investigating the precision limit of multi-parameter quantu… Show more
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