Control of spin in quantum dots with non-Fermi-liquid correlations

被引：32
|
作者：
Braggio, A
Sassetti, M
Kramer, B
机构：
[1] Univ Genoa, Dipartimento Fis, INFM, I-16146 Genoa, Italy
[2] Univ Hamburg, Inst Theoret Phys 1, D-20355 Hamburg, Germany
来源：
PHYSICAL REVIEW LETTERS | 2001年 / 87卷 / 14期
关键词：
D O I：
10.1103/PhysRevLett.87.146802
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Spin effects in the transport properties of a quantum dot with spin-charge separation are investigated. It is found that the nonlinear transport spectra are dominated by spin dynamics. Strong spin polarization effects are observed in a magnetic field. They can be controlled by varying gate and bias voltages. Complete polarization is stable against interactions. When polarization is not complete it is power law enhanced by non-Fermi-liquid effects.
引用
收藏
页码：146802/1 / 146802/4
页数：4
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