Thermal conductance in a two-slit quantum waveguide

doi:10.1088/1674-1056/21/2/026301

中国物理B ›› 2012, Vol. 21 ›› Issue (2): 26301-026301.doi: 10.1088/1674-1056/21/2/026301

• PHYSICS OF GASES, PLASMAS, AND ELECTRIC DISCHARGES • 上一篇下一篇

聂六英,李春先,周晓萍,王成志,程芳

收稿日期:2011-05-21 修回日期:2011-08-30 出版日期:2012-01-30 发布日期:2012-01-30
通讯作者: 聂六英,nieliuying@163.com E-mail:nieliuying@163.com

Thermal conductance in a two-slit quantum waveguide

Nie Liu-Ying(聂六英)^†, Li Chun-Xian(李春先), Zhou Xiao-Ping(周晓萍), Wang Cheng-Zhi(王成志), and Cheng Fang(程芳)

School of Physics and Electronic Science, Changsha University of Science and Technology, Changsha 410114, China

Received:2011-05-21 Revised:2011-08-30 Online:2012-01-30 Published:2012-01-30
Contact: Nie Liu-Ying,nieliuying@163.com E-mail:nieliuying@163.com
Supported by:
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).

摘要/Abstract

Abstract: 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.

Key words: acoustic phonon transport, thermal conductance, quantum wire

中图分类号: (Phonons or vibrational states in low-dimensional structures and nanoscale materials)

63.22.-m

44.10.+i (Heat conduction) 73.23.Ad (Ballistic transport)

聂六英,李春先,周晓萍,王成志,程芳. [J]. 中国物理B, 2012, 21(2): 26301-026301.

Nie Liu-Ying(聂六英), Li Chun-Xian(李春先), Zhou Xiao-Ping(周晓萍), Wang Cheng-Zhi(王成志), and Cheng Fang(程芳) . Thermal conductance in a two-slit quantum waveguide[J]. Chin. Phys. B, 2012, 21(2): 26301-026301.

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Thermal conductance in a two-slit quantum waveguide

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