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Open Quantum Systems Decoherence
Pauli Cloners for Pauli Channels
arXiv
Authors: S. F. Kerstan, M. Gallezot, T. Decker, M. Braun, N. Hegemann
Year
2026
Paper ID
3031
Status
Preprint
Abstract Read
~2 min
Abstract Words
83
Citations
N/A
Abstract
We present a quantum circuit architecture for the one-to-two cloning of N-qubit registers. It implements the broad class of Pauli cloners by extending the Niu--Griffiths architecture to multi-qubit systems. In the single-qubit case, we provide explicit constructions for asymmetric universal, phase covariant and biased cloners. We explore the fundamental relationship between Pauli errors, mutually unbiased bases and Pauli cloning. Furthermore, we demonstrate how Pauli cloners can be tailored to specific noise models in the context of quantum communication, especially quantum key distribution.
Why This Paper Matters
- This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
- It adds a 2026 reference point for readers tracking recent quantum research.
- We present a quantum circuit architecture for the one-to-two cloning of N-qubit registers.
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