Continuous-time quantum walks show quadratic short-time scaling in multi-time position measurement nonclassicality unlike the linear scaling of single-time quantum-classical distance, with strong topology dependence at long times that varies under position versus energy dephasing.
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A nonlinear criterion detects coherence transfer in quantum networks with only two measurements of network-state populations, remaining valid even with uncharacterized checkpoint nodes, and is experimentally shown in four- and six-photon entanglement networks.
Coherence enables anomalous work extraction in qubit gate dynamics via negative Kirkwood-Dirac quasiprobabilities, with a compositional relation connecting circuit-level work statistics to individual gates.
Quantum-mechanical analysis of the Tsirelson inequality in harmonic oscillators shows that generalized uniform precession conditions hold sufficiently well to imply the presence of quantum interference terms.
citing papers explorer
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Temporal nonclassicality in continuous-time quantum walks
Continuous-time quantum walks show quadratic short-time scaling in multi-time position measurement nonclassicality unlike the linear scaling of single-time quantum-classical distance, with strong topology dependence at long times that varies under position versus energy dephasing.
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Coherence Transfer in Quantum Networks
A nonlinear criterion detects coherence transfer in quantum networks with only two measurements of network-state populations, remaining valid even with uncharacterized checkpoint nodes, and is experimentally shown in four- and six-photon entanglement networks.
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Quantum Coherence and Anomalous Work Extraction in Qubit Gate Dynamics
Coherence enables anomalous work extraction in qubit gate dynamics via negative Kirkwood-Dirac quasiprobabilities, with a compositional relation connecting circuit-level work statistics to individual gates.
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Assessing the dynamical assumptions in Tsirelson inequality tests of non-classicality in harmonic oscillators
Quantum-mechanical analysis of the Tsirelson inequality in harmonic oscillators shows that generalized uniform precession conditions hold sufficiently well to imply the presence of quantum interference terms.