%0 Journal Article
%T The persistent current in a mesoscopic Aharonov-Bohm ring with a series-coupled double quantum dot<br>嵌入耦合量子点的介观Aharonov-Bohm环内的持续电流
%A Wu Shao-Quan
%A Chen Xiong-Wen
%A Sun Wei-Li
%A Wang Shun-Jin
%A <br>吴绍全
%A 谌雄文
%A 孙威立
%A 王顺金
%J 物理学报
%D 2004
%I 
%X We study theoretically the properties of the ground state of a mescopic ring with a series-coupled double quantum dot in the Kondo regime by means of the two-inpurity Anderson Hamiltonian. The Hamiltonian is solved by means of the slave-boson mean-field theory. It is shown that two dots can be coupled coherently, which is reflected in the appearance of parity effects and the complex current-phase relation in this system. This system might be a possile candidate for future device applications.
%K persistent current
%K coupled quantum dot
%K parity effect
%K Kondo effect<br>持续电流
%K 耦合量子点
%K 宇称效应
%K Kondo效应
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=6E709DC38FA1D09A4B578DD0906875B5B44D4D294832BB8E&cid=47EA7CFDDEBB28E0&jid=29DF2CB55EF687E7EFA80DFD4B978260&aid=8521D389B41F9088&yid=D0E58B75BFD8E51C&vid=8E6AB9C3EBAAE921&iid=DF92D298D3FF1E6E&sid=74C6696C251BD412&eid=D0293DFC566BF929&journal_id=1000-3290&journal_name=物理学报&referenced_num=0&reference_num=18