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Quantum capacity analysis of multi-level amplitude damping channels
oleh: Stefano Chessa, Vittorio Giovannetti
Format: | Article |
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Diterbitkan: | Nature Portfolio 2021-02-01 |
Deskripsi
Estimating the capacity of quantum channels is relevant to understand at which rate quantum information can be exchanged. Here, the authors introduce multi-level amplitude damping channels that generalize the qubit amplitude damping noise model, analyse their quantum and private capacities, and exactly derive the capacities of quantum channels that are not anti-degradable.