Introduces entanglement and fidelity absorption capacities for separable noise in Bell mixtures, with closed-form results for product states and X-states plus extensions to channels and bounds.
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An upper bound on concurrence is derived for fixed local polarizations in two-qubit systems, saturated by pure states in some cases, and applied to show reduced maximal entanglement in polarized q qbar pairs from parity-violating Z decays.
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Absorption capacity of separable noise: Bell-mixing thresholds on separability and teleportation
Introduces entanglement and fidelity absorption capacities for separable noise in Bell mixtures, with closed-form results for product states and X-states plus extensions to channels and bounds.
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Polarization, Maximal Concurrence, and Pure States in High-Energy Collisions
An upper bound on concurrence is derived for fixed local polarizations in two-qubit systems, saturated by pure states in some cases, and applied to show reduced maximal entanglement in polarized q qbar pairs from parity-violating Z decays.