Transitional behavior of quantum Gaussian memory channels
Journal Article
·
· Physical Review. A
- School of Science and Technology, University of Camerino, I-62032 Camerino (Italy)
- Italy
We address the question of optimality of entangled input states in quantum Gaussian memory channels. For a class of such channels, which can be traced back to the memoryless setting, we state a criterion which relates the optimality of entangled inputs to the symmetry properties of the channels' action. Several examples of channel models belonging to this class are discussed.
- OSTI ID:
- 21413367
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 5 Vol. 81; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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