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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2506.01851 |
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| _version_ | 1866915773396549632 |
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| author | Rexiti, Milajiguli Mancini, Stefano |
| author_facet | Rexiti, Milajiguli Mancini, Stefano |
| contents | We address the issue of multishot discrimination between two qubit channels by invoking a simple adaptive protocol that employs Helstrom measurement at each step and classical information feedforward, beside separable inputs. We contrast the performance of Bayesian and Markovian strategies. We show that the former is only slightly advantageous and for a limited parameters' region. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_01851 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Bayesian and Markovian classical feedforward for discriminating qubit channels Rexiti, Milajiguli Mancini, Stefano Quantum Physics We address the issue of multishot discrimination between two qubit channels by invoking a simple adaptive protocol that employs Helstrom measurement at each step and classical information feedforward, beside separable inputs. We contrast the performance of Bayesian and Markovian strategies. We show that the former is only slightly advantageous and for a limited parameters' region. |
| title | Bayesian and Markovian classical feedforward for discriminating qubit channels |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2506.01851 |