Nonlinear interactions in discrete time crystals increase the system-size scaling exponent of quantum Fisher information approximately linearly with nonlinearity strength, enhancing sensing precision while preserving quadratic time scaling.
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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
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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Nonlinearity-enhanced Quantum Sensing in Discrete Time Crystal Probes
Nonlinear interactions in discrete time crystals increase the system-size scaling exponent of quantum Fisher information approximately linearly with nonlinearity strength, enhancing sensing precision while preserving quadratic time scaling.
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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.