The geometric decoherence time marks the earliest breakdown of the monotone relation between logarithmic negativity and Rényi-1/2 entropy under Lindbladian evolution, serving as a dynamical scale for the onset of decoherence.
Wolf, Quantum channels and operations: A guided tour, (2012)
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Geometric analysis of a class of interpolating quantum maps for d-level systems shows trajectories crossing positivity regions with eventual entanglement breaking and interpretations for divisibility and eternal non-Markovianity.
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Geometric Decoherence Time in Lindbladian Dynamics
The geometric decoherence time marks the earliest breakdown of the monotone relation between logarithmic negativity and Rényi-1/2 entropy under Lindbladian evolution, serving as a dynamical scale for the onset of decoherence.
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Interpolating between positive, Schwarz, and completely positive evolution for d-level systems
Geometric analysis of a class of interpolating quantum maps for d-level systems shows trajectories crossing positivity regions with eventual entanglement breaking and interpretations for divisibility and eternal non-Markovianity.