Optimal compression of quantum information for one-qubit source at incomplete data: a new aspect of Jaynes principle

Details Optimal compression of quantum information for one-qubit source at incomplete data: a new aspect of Jaynes principle Optimal compression of quantum information for one-qubit source at incomplete data: a new aspect of Jaynes principle

1998-03-27

arxiv.org/abs/quant-ph/9803080v2

Acta Phys.Slov. 48 (1998) 133-140

Physics

Quantum Physics

RevTeX, 4 pages, a simpler version of the proof for compression at two-observable data has been provided, some minor changes h

Scientific paper

We consider the problem of optimal processing of quantum information at incomplete experimental data characterizing the quantum source. In particular, we then prove that for one-qubit quantum source the Jaynes principle offers a simple scheme for optimal compression of quantum information. According to the scheme one should process as if the density matrix of the source were actually equal to the matrix of the Jaynes state.

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