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| Main Authors: | , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2603.22686 |
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| _version_ | 1866915885943357440 |
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| author | de Sousa, Guilherme Soares-Pinto, Diogo O. |
| author_facet | de Sousa, Guilherme Soares-Pinto, Diogo O. |
| contents | In this work, we derive a deterministic master equation to model a general, possibly non-Markovian, feedback. The master equation describes a system with a general evolution and measurement operation, with feedback being applied in terms of signal processing. The feedback signal has an arbitrary structure with dimensionality that indicates the degree of non-Markovianity of the information processing. We present examples to illustrate how such a master equation can be used to model systems with memory feedback and non-trivial frequency dependence. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_22686 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Deterministic quantum master equation for non-Markovian signal processing de Sousa, Guilherme Soares-Pinto, Diogo O. Quantum Physics In this work, we derive a deterministic master equation to model a general, possibly non-Markovian, feedback. The master equation describes a system with a general evolution and measurement operation, with feedback being applied in terms of signal processing. The feedback signal has an arbitrary structure with dimensionality that indicates the degree of non-Markovianity of the information processing. We present examples to illustrate how such a master equation can be used to model systems with memory feedback and non-trivial frequency dependence. |
| title | Deterministic quantum master equation for non-Markovian signal processing |
| topic | Quantum Physics |
| url | https://arxiv.org/abs/2603.22686 |