Effect of Connected Multi-Ring Impurity Scattering on Quantum Transport
GAO Ying-Fang, ZHANG Yong-Ping
Institute of Theoretical Physics, Shanxi University, Taiyuan 030006
Effect of Connected Multi-Ring Impurity Scattering on Quantum Transport
GAO Ying-Fang;ZHANG Yong-Ping
Institute of Theoretical Physics, Shanxi University, Taiyuan 030006
关键词 ：
03.65.-w ,
03.65.Nk ,
73.23.-b ,
73.23.Ad
Abstract ： We investigate the quantum transmission properties of connected multi-rings with impurities and analyse the effect of the impurities on the band formation in these geometric structures. It is shown that energy bands and band gaps are formed clearly while there is not any fixed band structure for the case of the single ring. The number of resonant peaks in conductance bands increases with the number of rings. Some essential differences are pointed out and magnetic properties of loop configurations in the presence of Aharonov--Bohm flux are explored as well.
Key words ：
03.65.-w
03.65.Nk
73.23.-b
73.23.Ad
出版日期: 2005-05-01
引用本文:
GAO Ying-Fang;ZHANG Yong-Ping. Effect of Connected Multi-Ring Impurity Scattering on Quantum Transport[J]. 中国物理快报, 2005, 22(5): 1045-1048.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I5/1045
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2005, Vol. 22 
