Pauli spin blockade in the presence of strong spin-orbit coupling

被引：104
|
作者：
Danon, J. [1 ]
Nazarov, Yu. V. [1 ]
机构：
[1] Delft Univ Technol, Kavli Inst NanoSci, NL-2628 CJ Delft, Netherlands
来源：
PHYSICAL REVIEW B | 2009年 / 80卷 / 04期
关键词：
DOUBLE-QUANTUM DOT; SMALL TUNNEL-JUNCTIONS; SINGLE-ELECTRON SPIN; COHERENT OSCILLATIONS;
D O I：
10.1103/PhysRevB.80.041301
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We study electron transport in a double quantum dot in the Pauli spin blockade regime in the presence of strong spin-orbit coupling. The effect of spin-orbit coupling is incorporated into a modified interdot tunnel coupling. We elucidate the role of the external magnetic field, the nuclear fields in the dots, and the spin relaxation. We find qualitative agreement with experimental observations, and we propose a way to extend the range of magnetic fields in which blockade can be observed.
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页数：4
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