Distinguishability of Gaussian states in quantum cryptography using postselection


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FREE-DOWNLOAD C Weedbrook, DJ Alton, T Symul, PK Lam… – Physical Review A, 2009
We consider the distinguishability of Gaussian states from the viewpoint of continuous-variable
quantum cryptography using postselection. Specifically, we use the probability of error to distinguish
between two pure coherent (squeezed) and two particular mixed symmetric coherent




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