Fock-space lattices enable cell-dependent criticality that tunes quantum Fisher information scaling from standard to Heisenberg limits with broad sensing coverage via topological zero modes.
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2026 2verdicts
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Embedding squeezing in the system Hamiltonian and leveraging environmental memory induces higher-order QFI time dependence and information backflow that can restore or exceed unitary precision in noisy frequency estimation.
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Cell-Dependent Criticality for Quantum Metrology
Fock-space lattices enable cell-dependent criticality that tunes quantum Fisher information scaling from standard to Heisenberg limits with broad sensing coverage via topological zero modes.
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Beating noise in frequency estimation with squeezing and memory in continuous-variable systems
Embedding squeezing in the system Hamiltonian and leveraging environmental memory induces higher-order QFI time dependence and information backflow that can restore or exceed unitary precision in noisy frequency estimation.