An exact equation relates the entanglement of imperfect joint measurements to channel entanglement and the probability needed for unit-fidelity teleportation despite coherent errors.
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Hawking radiation in Schwarzschild black holes produces a trade-off where physically accessible concurrence decreases with temperature while inaccessible concurrence increases from zero, with sudden death under phase and bit flip noise.
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Quantum teleportation with coherent error in Bell-state measurement
An exact equation relates the entanglement of imperfect joint measurements to channel entanglement and the probability needed for unit-fidelity teleportation despite coherent errors.
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Dynamics of Entanglement in Schwarzschild Black Holes
Hawking radiation in Schwarzschild black holes produces a trade-off where physically accessible concurrence decreases with temperature while inaccessible concurrence increases from zero, with sudden death under phase and bit flip noise.