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quant-ph2000★ 59 cited
Optimal encoding and decoding of a spin direction
E. Bagan, M. Baig, A. Brey +2
For a system of N spins 1/2 there are quantum states that can encode a direction in an intrinsic way. Information on this direction can later be decoded by means of a quantum measu…
quant-ph2000★ 27 cited
Communication of Spin Directions with Product States and Finite Measurements
E. Bagan, M. Baig, R. Munoz-Tapia
Total spin eigenstates can be used to intrinsically encode a direction, which can later be decoded by means of a quantum measurement. We study the optimal strategy that can be adop…