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|Title:||Vibrational spectra and thermal rectification in three-dimensional anharmonic lattices|
|Source:||Lan, J., Li, B. (2007-06-13). Vibrational spectra and thermal rectification in three-dimensional anharmonic lattices. Physical Review B - Condensed Matter and Materials Physics 75 (21) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevB.75.214302|
|Abstract:||We study thermal rectification in a three-dimensional model consisting of two segments of anharmonic lattices. One segment consists of layers of harmonic oscillator arrays coupled to a substrate potential, which is a three-dimensional Frenkel-Kontorova model, and the other segment is a three-dimensional Fermi-Pasta-Ulam model. We study the vibrational bands of the two lattices analytically and numerically, and find that, by choosing the system parameters properly, the rectification can be as high as a few thousands, which is high enough to be observed in experiment. Possible experiments in nanostructures are discussed. © 2007 The American Physical Society.|
|Source Title:||Physical Review B - Condensed Matter and Materials Physics|
|Appears in Collections:||Staff Publications|
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