Maximizing the distance-based coherence of a POVM over all unitary basis changes is proven to exactly equal its distance-based sharpness for POVMs with a common eigenbasis or common MUB structure.
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In random quantum automaton ensembles, the subsystem symmetrization scale depends on the initial state's participation entropy, and the onset of U(1) entanglement asymmetry coincides with the onset of subsystem coherence.
Thermal instabilities and noise modify quantum measurement statistics in a sensitive, nontrivial way across the weak-to-strong crossover depending on temperature, probe properties, and state selections.
Coherence dispersion Δ_c quantifies variability in quantum coherence distribution and reaches maximum at intermediate relative entropy of coherence values.
The full path-polarization density matrix's normalized purity decomposes into path, polarization, and correlation sectors, with the antisymmetric sector measuring cohesion lost when polarization is traced out.
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Maximal coherence of quantum measurement and the resource theory of sharpness
Maximizing the distance-based coherence of a POVM over all unitary basis changes is proven to exactly equal its distance-based sharpness for POVMs with a common eigenbasis or common MUB structure.
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Entanglement Asymmetry in Random Quantum Automata
In random quantum automaton ensembles, the subsystem symmetrization scale depends on the initial state's participation entropy, and the onset of U(1) entanglement asymmetry coincides with the onset of subsystem coherence.
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Weak-to-Strong Measurement Transition with Thermal Instabilities
Thermal instabilities and noise modify quantum measurement statistics in a sensitive, nontrivial way across the weak-to-strong crossover depending on temperature, probe properties, and state selections.
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Quantum Coherence Dispersion
Coherence dispersion Δ_c quantifies variability in quantum coherence distribution and reaches maximum at intermediate relative entropy of coherence values.
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Cohesion accounting of complementarity in path--polarization interferometry
The full path-polarization density matrix's normalized purity decomposes into path, polarization, and correlation sectors, with the antisymmetric sector measuring cohesion lost when polarization is traced out.