Theoretical analysis explores ultrasensitive weak measurements via circulating quantum probes, highlighting strategies to reconstruct interaction Hamiltonians while minimizing back-action disturbance.
Circulating quantum probe Weak / QND measurement Measurement-induced back-action Information–disturbance trade-off Minimal measurement cost Localized detector–quantum-field interaction Two-object quantum interaction Interaction Hamiltonian reconstruction Yin–Yang analogy and its physical limits Proposed research program Previous work and reference
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Ying Cao (2026) studied this question.
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