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arXiv quant-ph/0101123quant-ph
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Relaxation Method For Calculating Quantum Entanglement

Robert R. Tucci

英文摘要:

In a previous paper, we showed how entanglement of formation can be defined as a minimum of the quantum conditional mutual information (a.k.a. quantum conditional information transmission). In classical information theory, the Arimoto-Blahut method is one of the preferred methods for calculating extrema of mutual information. In this paper, we present a new method, akin to the Arimoto-Blahut method, for calculating entanglement of formation. We also present several examples computed with a computer program called Causa Comun that implements the ideas of this paper.

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