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|Title:||Quantum thermal transport from classical molecular dynamics|
|Source:||Wang, J.-S. (2007-10-15). Quantum thermal transport from classical molecular dynamics. Physical Review Letters 99 (16) : -. ScholarBank@NUS Repository. https://doi.org/10.1103/PhysRevLett.99.160601|
|Abstract:||Using a generalized Langevin equation of motion, quantum thermal transport is obtained from classical molecular dynamics. This is possible because the heat baths are represented by random noises obeying quantum Bose-Einstein statistics. The numerical method gives asymptotically exact results in both the low-temperature ballistic transport regime and the high-temperature strongly nonlinear classical regime. The method is a quasiclassical approximation to the quantum transport problem. A one-dimensional quartic on-site model is used to demonstrate the crossover from ballistic to diffusive thermal transport. © 2007 The American Physical Society.|
|Source Title:||Physical Review Letters|
|Appears in Collections:||Staff Publications|
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