More strongly entangled two-qubit states can reach separability faster than weakly entangled ones under local amplitude damping, forming an ESD Mpemba effect with an exact analytical derivation of crossover time.
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Lower bounds on the best separable approximation distance for non-pure spin-squeezed states are obtained from the complete set of spin-squeezing inequalities, with symmetry-exploiting optimization for upper bounds, revealing finite-temperature entanglement in ordered phases of the XXZ model.
Kerr-Newman parameters M, a, and Q modulate neutrino survival probabilities, entanglement, and coherence differently from the Schwarzschild case, with spin lengthening and charge shortening oscillation periods in outward radial propagation.
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Anomalous Decay of Quantum Resources: The Entanglement Sudden Death Mpemba Effect
More strongly entangled two-qubit states can reach separability faster than weakly entangled ones under local amplitude damping, forming an ESD Mpemba effect with an exact analytical derivation of crossover time.
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Estimating the best separable approximation of non-pure spin-squeezed states
Lower bounds on the best separable approximation distance for non-pure spin-squeezed states are obtained from the complete set of spin-squeezing inequalities, with symmetry-exploiting optimization for upper bounds, revealing finite-temperature entanglement in ordered phases of the XXZ model.
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Quantum Correlations of Neutrinos in the Kerr-Newman Space-time
Kerr-Newman parameters M, a, and Q modulate neutrino survival probabilities, entanglement, and coherence differently from the Schwarzschild case, with spin lengthening and charge shortening oscillation periods in outward radial propagation.