Decoherence of the color code produces a mixed state with topological entanglement negativity ln 2 that corresponds to an emergent single toric code.
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The minimal distance of a correlation to the local set lower-bounds the minimal distance of the state to the separable set, yielding bounds on entanglement measures from arbitrary nonlocal correlations in general Bell scenarios.
Machine learning on time traces of repetitive qubit readouts improves fidelity over threshold photon counting by identifying back-action.
citing papers explorer
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Decohered color code and emerging mixed toric code by anyon proliferation: Topological entanglement negativity perspective
Decoherence of the color code produces a mixed state with topological entanglement negativity ln 2 that corresponds to an emergent single toric code.
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Lower-bounding entanglement with nonlocality in a general Bell's scenario
The minimal distance of a correlation to the local set lower-bounds the minimal distance of the state to the separable set, yielding bounds on entanglement measures from arbitrary nonlocal correlations in general Bell scenarios.
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Repetitive Readout Enhanced by Machine Learning
Machine learning on time traces of repetitive qubit readouts improves fidelity over threshold photon counting by identifying back-action.