Domain restrictions for non-completely positive maps on isotropic states become increasingly severe with system dimension, revealing an intrinsic limitation of the compatibility approach to open quantum dynamics.
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Pre-channel entanglement shaping suppresses the rate of geometric entropy production during noisy channel evolution, yielding a final state with strictly higher relative entropy of entanglement than the maximum achievable by any post-distillation protocol on the same channel.
Repeated projective measurements on photons in coupled cavities make entanglement sensitive to monitoring details, enabling control over N00N state formation and related entanglement measures.
citing papers explorer
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Open quantum dynamics without Complete Positivity: a criticism
Domain restrictions for non-completely positive maps on isotropic states become increasingly severe with system dimension, revealing an intrinsic limitation of the compatibility approach to open quantum dynamics.
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Pre-Channel Entanglement Shaping Achieves Fundamental Superiority over Post-Distillation: A Geometric Entropy Perspective
Pre-channel entanglement shaping suppresses the rate of geometric entropy production during noisy channel evolution, yielding a final state with strictly higher relative entropy of entanglement than the maximum achievable by any post-distillation protocol on the same channel.
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Monitoring photon entanglement in coupled cavities
Repeated projective measurements on photons in coupled cavities make entanglement sensitive to monitoring details, enabling control over N00N state formation and related entanglement measures.