Electron-electron interactions and two-dimensional-two-dimensional tunneling.
Electron-electron interactions and two-dimensional-two-dimensional tunneling.
复制标题
电子-电子相互作用和二维-二维隧道效应。
DOI：
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发表时间：
1996
期刊：
影响因子：
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通讯作者：
Macdonald
中科院分区：
文献类型：
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作者：
Jungwirth;Macdonald
我们推导和评估在非零温度下相互作用的二维电子系统之间的直流隧穿电导的表达式。讨论了利用隧穿电导对电压和温度的依赖关系来确定费米能级下随温度变化的电子-电子散射速率的可能性。对费米圆附近的准粒子，计算了由电子-电子相互作用产生的有限电子寿命随温度的变化。对随机相位近似的顶点修正大大增加了电子散射率。我们的结果是在一个很好的定量协议与实验。 extcopyright{} 1996美国物理学会。
We derive and evaluate expressions for the dc tunneling conductance between interacting two-dimensional electron systems at nonzero temperature. The possibility of using the dependence of the tunneling conductance on voltage and temperature to determine the temperature-dependent electron-electron scattering rate at the Fermi energy is discussed. The finite electronic lifetime produced by electron-electron interactions is calculated as a function of temperature for quasiparticles near the Fermi circle. Vertex corrections to the random-phase approximation substantially increase the electronic scattering rate. Our results are in an excellent quantitative agreement with experiment. extcopyright{} 1996 The American Physical Society.