Optimal encoding and decoding of a spin direction

E. Bagan, M. Baig, A. Brey, R. Muñoz-Tapia, R. Tarrach

Research output: Contribution to journalArticleResearchpeer-review

59 Citations (Scopus)


An optimal encoding and decoding procedure of spin direction was presented. Maximum average fidelity for arbitrary N spins was calculated showed that it was directly related to the largest zeros of Legendre and Jacobi polynomials. It reaches unity quadratically in 1/N. The results were also analyzed in terms of encoding Hilbert space.
Original languageEnglish
Article number052309
Pages (from-to)523091-5230911
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Issue number5
Publication statusPublished - 1 Jan 2001


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