Colloquium:: Metallic behavior and related phenomena in two dimensions

被引:815
作者
Abrahams, E [1 ]
Kravchenko, SV
Sarachik, MP
机构
[1] Rutgers State Univ, Dept Phys, Ctr Mat Theory, Piscataway, NJ 08854 USA
[2] Northeastern Univ, Dept Phys, Boston, MA 02115 USA
[3] CUNY City Coll, Dept Phys, New York, NY 10031 USA
基金
美国国家科学基金会;
关键词
D O I
10.1103/RevModPhys.73.251
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
For about 20 years, it has been the prevailing view that there can be no metallic state or metal-insulator transition in two dimensions in zero magnetic field. In the last several years, however. unusual behavior suggestive of such a transition has been reported in a variety of dilute two-dimensional electron and hole systems. The physics behind these observations is at present not understood. The authors review and discuss the main experimental findings and suggested theoretical models,
引用
收藏
页码:251 / 266
页数:16
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