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Optimally cloned binary coherent states
2017
Physical Review A
The notions of qubits and coherent states correspond to different physical systems and are described by specific formalisms. Qubits are associated with a two-dimensional Hilbert space and can be illustrated on the Bloch sphere. In contrast, the underlying Hilbert space of coherent states is infinite-dimensional and the states are typically represented in phase space. For the particular case of binary coherent state alphabets these otherwise distinct formalisms can equally be applied. We
doi:10.1103/physreva.96.042311
fatcat:5k2wjeqv65expn53wqsvxzpr3m