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Search results with tag "Quantum computation and quantum"
Quantum Channels, Kraus Operators, POVMs
quantum.phys.cmu.edu3 Quantum Channels 3.1 Introduction ⋆ A basic issue in both quantum computation and quantum cryptography is that one needs to get information from one point to another in a reliable way. Even storing quantum information at one particular point is a nontrivial issue, for it tends to decay or degrade.