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Energetics of correlations in interacting systems.
Nicolai Friis1, Marcus Huber2,3,4, Martí Perarnau-Llobet4
1Institute for Theoretical Physics, University of Innsbruck, Technikerstraße 21a, A-6020 Innsbruck, Austria.
Correlations in interacting systems have work value. Researchers found strategies to reduce the work cost of correlations in naturally coupled systems, even when interactions are unavoidable.
Area of Science:
- Thermodynamics
- Information Theory
- Statistical Mechanics
Background:
- A known link exists between thermodynamics and information theory, where correlations possess work value.
- For non-interacting systems, establishing correlations incurs a work cost.
Purpose of the Study:
- To investigate the relationship between work and correlations in systems with unavoidable interactions.
- To determine general strategies for reducing the work cost associated with correlations in naturally coupled systems.
Main Methods:
- Theoretical analysis of work and correlations in interacting systems.
- Illustrative examples using exemplary physical systems.
Main Results:
- Correlations in naturally coupled systems, which are correlated even at thermal equilibrium, have an inherent work value.
- General strategies were identified to reduce the work cost of correlations in the presence of uncontrollable interactions.
Conclusions:
- The study provides insights into managing work costs related to correlations in complex, interacting physical systems.
- Findings are applicable to understanding and optimizing energy efficiency in systems where interactions are inherent.
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