Spin Coulomb Drag in a One-Dimensional Spin-Polarized Conductor

被引：0
|
作者：
Schlottmann, P. [1 ]
机构：
[1] Florida State Univ, Dept Phys, Tallahassee, FL 32311 USA
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2010年 / 46卷 / 06期
关键词：
Luttinger liquid; spin Coulomb drag; spin polarization; transconductivity; RENORMALIZATION GROUP TECHNIQUE; MANY-FERMION SYSTEM; BACKWARD SCATTERING; METALLIC SYSTEMS; LUTTINGER LIQUID; PHASE-TRANSITION; ELECTRON-GAS; TRANSPORT; CURRENTS; MODEL;
D O I：
10.1109/TMAG.2010.2045222
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The spin Coulomb drag is a distinctive feature of spin-polarized transport. The current of majority spins can induce a current of minority spin carriers via the transconductivity. The friction is caused by the Coulomb interaction between up- and down-spin. This interaction reduces the current but does not change the spin-polarization. We calculate the conductivities and the transconductivity for a spin-polarized interacting 1-D electron gas for a lattice without inversion symmetry in the presence of nonmagnetic impurities. Due to the Luttinger liquid properties, the temperature dependence of the transport correlation functions follows power laws of T with nonuniversal exponents.
引用
收藏
页码：1346 / 1349
页数：4
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