Minimum output entropy of bosonic channels: a conjecture
arXiv:quant-ph/0404005 · doi:10.1103/PhysRevA.70.032315
Abstract
The von Neumann entropy at the output of a bosonic channel with thermal noise is analyzed. Coherent-state inputs are conjectured to minimize this output entropy. Physical and mathematical evidence in support of the conjecture is provided. A stronger conjecture--that output states resulting from coherent-state inputs majorize the output states from other inputs--is also discussed.
15 pages, 12 figures
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Cited by in corpus (83)
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