Magneto-Coulomb drag: Interplay of electron-electron interactions and Landau quantization

被引:55
作者
Bonsager, MC
Flensberg, K
Hu, BYK
Jauho, AP
机构
[1] INDIANA UNIV,DEPT PHYS,BLOOMINGTON,IN 47405
[2] DANISH INST FUNDAMENTAL METROL,DK-2800 LYNGBY,DENMARK
关键词
D O I
10.1103/PhysRevLett.77.1366
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We use the Kubo formalism to calculate the transresistivity rho(21) for carriers in coupled quantum wells in a large perpendicular magnetic field B. We find that rho(21) is enhanced by approximately 50-100 times over that of the B = 0 case in the interplateau regions of the integer quantum Hall effect. The presence of both electron-electron interactions and Landau quantization results in (i) a twin-peaked structure of rho(21)(B) in the interplateau regions at low temperatures and (ii) for the chemical potential at the center of a Landau level band, a peaked temperature dependence of rho(21)(T)/T-2.
引用
收藏
页码:1366 / 1369
页数:4
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