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4 papers · 2 filters
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…
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…
Local Realistic Theories and Quantum Mechanics for the two-neutral-kaon system
R. H. Dalitz, G. Garbarino
The predictions of local realistic theories for the observables concerning the evolution of a quantum entangled pair (created in the decay of the -meson) are disc…
Optimal strategies for sending information through a quantum channel
E. Bagan, M. Baig, A. Brey +2
Quantum states can be used to encode the information contained in a direction, i.e., in a unit vector. We present the best encoding procedure when the quantum state is made up of $…