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Coding with finite quantum systems.

By Apostolos Vourdas

Abstract

NoCoding using quantum states in an angular-momentum (2j+1)-dimensional Hilbert space H is considered in this paper. A concatenated code is studied in two steps. In the first step the space HN is considered and the code is its subspace HA spanned by the direct products of N angular-momentum states with the same m. In the second step the space HAM is considered and the code is its subspace HB spanned by the direct products of M angle states with the same m. It is shown that the code introduces redundancy with respect to any transformation

Topics: Coding, Quantum systems
Year: 2002
DOI identifier: 10.1103/PhysRevA.65.042321
OAI identifier: oai:bradscholars.brad.ac.uk:10454/3822
Provided by: Bradford Scholars
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