CANP enhances quantum Fisher information by using noncommutativity between critical state preparation and parameter encoding, demonstrated in the quantum Rabi and Lipkin-Meshkov-Glick models at fixed resources.
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quant-ph 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.
citing papers explorer
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Enhanced quantum metrology by criticality-assisted noncommutative preparation
CANP enhances quantum Fisher information by using noncommutativity between critical state preparation and parameter encoding, demonstrated in the quantum Rabi and Lipkin-Meshkov-Glick models at fixed resources.
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Instability-Enhanced Quantum Sensing with Tunable Multibody Interactions
A quartic extension of the twisting-and-turning Hamiltonian generates new unstable fixed points that accelerate short-time amplification of quantum fluctuations, yielding enhanced sensitivity within accessible coherence times.