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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/2603.15743 |
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| _version_ | 1866908923149156352 |
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| author | Cao, Xiangyu Nussinov, Zohar |
| author_facet | Cao, Xiangyu Nussinov, Zohar |
| contents | In the theory of decoherence, redundancy is the correlation between a quantum system and fractions of the environment. It underlies the emergence of classical behavior. We show that redundancy can persist despite thermalizing dynamics in the environment. This follows an initial broadcasting interaction that changes the density of a conserved quantity. The mutual information between the system and a fraction of the environment is estimated using the large deviation principle governing subsystem thermalization. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_15743 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Redundancy from Subsystem Thermalization Cao, Xiangyu Nussinov, Zohar Quantum Physics Statistical Mechanics In the theory of decoherence, redundancy is the correlation between a quantum system and fractions of the environment. It underlies the emergence of classical behavior. We show that redundancy can persist despite thermalizing dynamics in the environment. This follows an initial broadcasting interaction that changes the density of a conserved quantity. The mutual information between the system and a fraction of the environment is estimated using the large deviation principle governing subsystem thermalization. |
| title | Redundancy from Subsystem Thermalization |
| topic | Quantum Physics Statistical Mechanics |
| url | https://arxiv.org/abs/2603.15743 |