Physics – Quantum Physics
Scientific paper
2011-11-07
Physical Review A 85, 042312 (2012)
Physics
Quantum Physics
5 pages, 4 figures
Scientific paper
10.1103/PhysRevA.85.042312
Communication between a free-falling observer and an observer hovering above the Schwarzschild horizon of a black hole suffers from Unruh-Hawking noise, which degrades communication channels. Ignoring time dilation, which affects all channels equally, we show that for bosonic communication using single and dual rail encoding the classical channel capacity reaches a finite value and the quantum coherent information tends to zero. We conclude that classical correlations still exist at infinite acceleration, whereas the quantum coherence is fully removed.
Hosler Dominic
Kok Pieter
van de Bruck Carsten
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