Additivity properties of a Gaussian channel
- 7 June 2004
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 69 (6) , 062307
- https://doi.org/10.1103/physreva.69.062307
Abstract
The Amosov-Holevo-Werner conjecture implies the additivity of the minimum Rényi entropies at the output of a channel. The conjecture is proven true for all Rényi entropies of integer order greater than two in a class of Gaussian bosonic channel where the input signal is randomly displaced or where it is coupled linearly to an external environment.Keywords
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