Physics – Quantum Physics
Scientific paper
2004-10-22
Phys. Rev. A 71, 062304 (2005)
Physics
Quantum Physics
6 pages, 2 figures
Scientific paper
10.1103/PhysRevA.71.062304
We discuss a Bosonic channel model with memory effects. It relies on a multi-mode squeezed (entangled) environment's state. The case of lossy Bosonic channels is analyzed in detail. We show that in the absence of input energy constraints the memory channels are equivalent to their memoryless counterparts. In the case of input energy constraint we provide lower and upper bounds for the memory channel capacity.
Giovannetti Vittorio
Mancini Stefano
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