RESONANT TUNNELING IN AN INTERACTING ONE-DIMENSIONAL ELECTRON-GAS

被引:131
作者
KANE, CL [1 ]
FISHER, MPA [1 ]
机构
[1] IBM CORP,THOMAS J WATSON RES CTR,YORKTOWN HTS,NY 10598
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 11期
关键词
D O I
10.1103/PhysRevB.46.7268
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We study the resonant tunneling of a single-channel interacting electron gas through a double-barrier structure. In striking contrast to the noninteracting electron gas, which exhibits resonances with a temperature-independent Lorentzian line shape at low T, we find that with repulsive interactions present the resonances have a width which vanishes as T --> 0. Moreover, at low T the resonance line shapes are determined by a universal scaling function, with power law but non-Lorentzian tails. These predictions should be accessible to experiments in single-channel wires in gated GaAs.
引用
收藏
页码:7268 / 7271
页数:4
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