Journal
IEEE TRANSACTIONS ON INFORMATION THEORY
Volume 49, Issue 8, Pages 1895-1911Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIT.2003.814935
Keywords
communication capacities; entanglement capacities; two-way quantum channels
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We consider interactions as bidirectional channels. We investigate the capacities for interaction Hamiltonians and non-local unitary gates. to generate entanglement and transmit classical information. We give analytic expressions for the entanglement generating capacity and entanglement-assisted one-way classical communication capacity of interactions, and show that these quantities are additive, so that the asymptotic capacities equal the corresponding 1-shot capacities. We give general bounds, on other capacities, discuss some examples, and conclude with some open questions.
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