Sequential Measurements for Quantum-Enhanced Magnetometry in Spin Chain Probes
Sequential Measurements for Quantum-Enhanced Magnetometry in Spin Chain Probes
Quantum sensors outperform their classical counterparts in their estimation precision, given the same amount of resources. So far, quantum-enhanced sensitivity has been achieved by exploiting the superposition principle. This enhancement has been obtained for particular forms of entangled states, adaptive measurement basis change, critical many-body systems, and steady state of …