MAGNETIC-ORDERING TRANSITION OF ELECTRONS ON MESOSCOPIC TUBES

被引：12
|
作者：
DAVIDS, PS
WANG, L
SAXENA, A
BISHOP, AR
机构：
[1] Theoretical Division, Los Alamos National Laboratory, Los Alamos
来源：
PHYSICAL REVIEW B | 1993年 / 48卷 / 23期
关键词：
D O I：
10.1103/PhysRevB.48.17545
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We find a paramagnetic to diamagnetic ordering transition of a two-dimensional electron gas on a mesoscopic tube in a magnetic field as the tube radius is varied. Spin effects (Pauli paramagnetism) are explicitly considered. The dependence of magnetization on temperature is calculated. A relationship between the periodicity of the magnetization and the de Haas-van Alphen oscillations is presented. These results are directly pertinent to the recently synthesized helical microtubules of graphite.
引用
收藏
页码：17545 / 17550
页数：6
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