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Thermal conductance in a two-slit quantum waveguide

ISSN号：1674-1056
期刊名称：Chinese Physics B
时间：2011.8.8
页码：026301-
分类：TN304.23[电子电信—物理电子学] TK124[动力工程及工程热物理—工程热物理;动力工程及工程热物理—热能工程]
作者机构：[1]School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China
相关基金：Project supported by the Natural Science Foundation of Hunan Province of China （Grant No. 09JJ5005） and the National Natural Science Foundation of China （Grant Nos. 10947134 and 11004017）.
相关项目：量子自旋霍尔体系中边缘态输运的理论研究

关键词：量子波导, 热传导, 双缝, 温度升高, 矩阵方法, 单调下降, 热导, 散射, acoustic phonon transport, thermal conductance, quantum wire

中文摘要：

Using the scattering-matrix method,we investigate the thermal conductance in a two-slit quantum waveguide at low temperature.The results show that the total thermal conductance decreases monotonically with temperature increasing.Moreover,we find that the behaviours of the thermal conductance versus temperature are different for different types of slits.

英文摘要：

Using the scattering-matrix method, we investigate the thermal conductance in a two-slit quantum waveguide at low temperature. The results show that the total thermal conductance decreases monotonically with temperature increasing. Moreover, we find that the behaviours of the thermal conductance versus temperature are different for different types of slits.

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