2013/11/20 by Benoit Latour, Latour, Benoit, Sébastian Volz +4
Engineering · Materials Science · Physics and Astronomy · #FOS: Physical sciences #Mesoscale and Nanoscale Physics (cond-mat.mes-hall) #Thermal properties of materials #Thermography and Photoacoustic Techniques #cond-mat.mes-hall
paper · pdf · doi:10.48550/arxiv.1311.5045
5 pages, 6 figures, 1 tables The method which is described is too sensitive to numerical noise. A new method has been developed and published in http://journals.aps.org/prb/abstract/10.1103/PhysRevB.90.014307
openalex publication_date 2013/11/20 · arxiv created 2014/09/08 · arxiv updated 2014/09/09 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
We demonstrate the coherent transport of thermal energy in superlattices by introducing a microscopic definition of the phonon coherence length. We demonstrate how to distinguish a coherent transport regime from diffuse interface scattering and discuss how these can be specifically controlled by several physical parameters. Our approach provides a convenient framework for the interpretation of previous experiments and thermal conductivity calculations and paves the way for the design of a new class of thermal interface materials.