Effects of interactions in transport through aharonov-bohm-casher interferometers

被引：44
|
作者：
Lobos, A. M. [1 ]
Aligia, A. A.
机构：
[1] Comis Nacl Energia Atom, Ctr Atom Bariloche, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
[2] Comis Nacl Energia Atom, Inst Balseiro, RA-8400 San Carlos De Bariloche, Rio Negro, Argentina
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.100.016803
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study the conductance through a ring described by the Hubbard model (such as an array of quantum dots), threaded by a magnetic flux and subject to Rashba spin-orbit coupling (SOC). We develop a formalism that is able to describe the interference effects as well as the Kondo effect when the number of electrons in the ring is odd. In the Kondo regime, the SOC reduces the conductance from the unitary limit, and, in combination with the magnetic flux, the device acts as a spin polarizer.
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页数：4
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