On the classical capacity of quantum Gaussian channels
arXiv:1012.5965 · doi:10.1088/0031-8949/2011/T143/014016
Abstract
The set of quantum Gaussian channels acting on one bosonic mode can be classified according to the action of the group of Gaussian unitaries. We look for bounds on the classical capacity for channels belonging to such a classification. Lower bounds can be efficiently calculated by restricting to Gaussian encodings, for which we provide analytical expressions.
10 pages, IOP style. v2: minor corrections, close to the published version
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