CRITICAL EXPONENTS FOR THE METAL-INSULATOR-TRANSITION

被引：94
|
作者：
MACKINNON, A
机构：
[1] Blackett Lab., Imperial Coll. of Sci., Technol. and Med., London
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1994年 / 6卷 / 13期
关键词：
D O I：
10.1088/0953-8984/6/13/012
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The critical exponents of the metal-insulator transition in disordered systems have been the subject of much published work containing often contradictory results. Values ranging between 1/2 and 2 can be found even in the recent literature. In this paper the results of a long-term study of the transition are presented. The data have been calculated with sufficient accuracy (0.2%) that the calculated exponent can be quoted as s = v = 1.54 +/- 0.08 with confidence. The reasons for the previous scatter of results are discussed.
引用
收藏
页码：2511 / 2518
页数：8
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