Efficient Pauli Channel Estimation with Logarithmic Quantum Memory
In this work, we consider one of the prototypical tasks for characterizing the structure of noise in quantum devices: estimating eigenvalues of an n-qubit Pauli noise channel. Prior work [Chen et al., Phys. Rev. A 105, 032435 (2022)] has proved no-go theorems for this task in the practical regime in...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
American Physical Society
2025-05-01
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| Series: | PRX Quantum |
| Online Access: | http://doi.org/10.1103/PRXQuantum.6.020323 |
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