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Trapped Ion Quantum Computing
Fast convergence of Dynamic Capacities of GNS-Symmetric Quantum Channels
arXiv
Authors: Omar Fawzi, Li Gao, Mizanur Rahaman, Mostafa Taheri
Year
2026
Paper ID
63916
Status
Preprint
Abstract Read
~2 min
Abstract Words
74
Citations
N/A
Abstract
We consider a quantum system described by a quantum channel Φ that is applied at every time step and study the time evolution of its information capacities. When Φ is a GNS-symmetric channel (this includes Pauli channels, for example), we give explicit exponential convergence bounds for the classical and quantum capacities. These bounds are in terms of entropic properties of Φ. We further illustrate how these results help quantify the performance of active versus passive error-correction setups.
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- This paper contributes to the Trapped-Ion Quantum Computing research area in the Quantum Articles archive.
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- We consider a quantum system described by a quantum channel Φ that is applied at every time step and study the time evolution of its information capacities.
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