Zenodo (CERN)
open access
Channel-Calibrated Harmonic Entanglement Certificates Under Loss and Phase Noise
We study the survival of phase-sensitive entanglement in a two-mode-squeezed pair under local Gaussian noise and pair-phase randomization. For the preparation-then-additive model with independent single-quadrature diffusion, we derive an exact Gaussian criterion: in the convention [q,p]=i and vac
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