中国物理B ›› 2005, Vol. 14 ›› Issue (1): 196-200.doi: 10.1088/1009-1963/14/1/036
高迎芳, 张永平, 梁九卿
Gao Ying-Fang (高迎芳), Zhang Yong-Ping (张永平), Liang Jiu-Qing (梁九卿)
摘要: The Aharonov--Bohm (AB) interference oscillations manifested through transmission of an electron in a mesoscopic device with a double-ring in the presence of a magnetic impurity serving as the spin-flipper are studied.The spin-flipper is demonstrated to indeed cause the partial decoherence of the AB interference. Moreover, it is found that the spin-up/down transmission coefficients are asymmetric in the flux reversal while the reflection coefficients as well as that the total transmission coefficient are symmetric.
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