Per citar aquest document: http://ddd.uab.cat/record/116064
Memory and nonlocal effects in heat transport : from diffusive to ballistic regimes
Àlvarez Calafell, Francesc Xavier (Universitat Autònoma de Barcelona. Departament de Física)
Jou i Mirabent, David, 1953- (Universitat Autònoma de Barcelona. Departament de Física)
American Physical Society

Data: 2007
Resum: The authors discuss a generalized transportmodel including memory and nonlocal effects, which aims to describe the transition of heat transport from the diffusive regime to the ballistic regime. By using an effective thermal conductivity depending on the Knudsen number, they describe in a single equation the behavior of conductivity in terms of the system size and a reduction in the limit flux through nanoscale devices.
Drets: Tots els drets reservats.
Llengua: Anglès
Document: article ; recerca ; publishedVersion
Matèria: Thermal conductivity ; Trajectory models ; Boltzmann equations ; Ballistic transport ; Phonons ; Heat conduction ; Relaxation times ; Heat transport ; Maxwell equations ; Nanotubes
Publicat a: Applied Physics Letters, Vol. 90, Issue 8 (February 2007) , p. 083109/1-083109/3, ISSN 1077-3118

DOI: 10.1063/1.2645110


4 p, 252.9 KB

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