Two-dimensional electron liquid in a weak magnetic field

被引：0
|
作者：
Glazman, LI
Aleiner, IL
机构：
[1] Theoretical Physics Institute, University of Minnesota, Minneapolis, MN 55455
来源：
SURFACE SCIENCE | 1996年 / 361卷 / 1-3期
基金：
美国国家科学基金会;
关键词：
many body and quasiparticle theories; quantum wells; tunneling;
D O I：
10.1016/0039-6028(96)00451-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We present a theory describing the low-energy properties of an interacting two-dimensional electron gas in a magnetic field at large non-integer filling factors nu much greater than 1. For a moderate interaction strength, r(s)<1, we find two energy scales controlling the electron dynamics at energies less than HBAR omega(c). The first energy scale, (HBAR omega(c)/nu)ln(nu r(s)), appears in the one electron spectral density as the width of a pseudogap. The second and larger scale, r(s)HBAR omega(c), characterizes the exchange-enhanced spin splitting and the thermodynamic density of states.
引用
收藏
页码：485 / 488
页数：4
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