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Updated: May 28, 2026
05:20
Characterization of Thermal Transport in One-dimensional Solid Materials
Published on: January 26, 2014
Many-body radiative heat transfer theory.
Philippe Ben-Abdallah1, Svend-Age Biehs, Karl Joulain
1Laboratoire Charles Fabry, UMR 8501, Institut d'Optique, CNRS, Université Paris-Sud 11, 2, Avenue Augustin Fresnel, 91127 Palaiseau Cedex, France. pba@institutoptique.fr
Physical Review Letters
|October 27, 2011
Summary
This study introduces an N-body theory for radiative heat exchange in discrete systems. It reveals significant heat flux enhancement due to many-body interactions in mesoscopic systems.
Area of Science:
- Thermodynamics
- Mesoscopic physics
- Heat transfer
Background:
- Standard theories often simplify heat exchange to pairwise interactions.
- Thermally nonequilibrated systems with finite-sized objects present unique challenges.
- Understanding radiative heat transfer is crucial for nanoscale devices.
Purpose of the Study:
- To develop an N-body theory for radiative heat exchange in discrete systems.
- To explain the observed exaltation effects in heat flux.
- To extend existing formalisms to include many-body interactions.
Main Methods:
- Developed an N-body theory for radiative heat exchange.
- Extended the Polder and van Hove stochastic formalism.
- Analyzed heat flux in collections of interacting objects.
Main Results:
- Demonstrated strong exaltation effects in heat flux.
- Attributed these effects to many-body interactions.
- Provided a theoretical framework for mesoscopic heat transport.
Conclusions:
- Many-body interactions significantly enhance radiative heat flux.
- The new theory accurately describes heat exchange in complex systems.
- This work offers insights into photon heat transport at the mesoscopic scale.
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