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Open Quantum Systems Decoherence
Redundancy from Subsystem Thermalization
arXiv
Authors: Xiangyu Cao, Zohar Nussinov
Year
2026
Paper ID
30743
Status
Preprint
Abstract Read
~2 min
Abstract Words
73
Citations
N/A
Abstract
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.
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.
- In the theory of decoherence, redundancy is the correlation between a quantum system and fractions of the environment.
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