As the number of qubits grows, the probability distribution of coarse-grained states from imperfect measurements concentrates sharply around the maximally mixed state.
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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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Detecting quantum many-body states with imperfect measuring devices
As the number of qubits grows, the probability distribution of coarse-grained states from imperfect measurements concentrates sharply around the maximally mixed state.
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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.