Quantum phase transitions in mesoscopic Rashba rings

被引：3
|
作者：
Huang, Guang-Yao
Liang, Shi-Dong [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, Guangzhou 510275, Guangdong, Peoples R China
来源：
PHYSICS LETTERS A | 2011年 / 375卷 / 03期
基金：
中国国家自然科学基金;
关键词：
Quantum phase transitions; Mesoscopic rings; Rashba spin-orbit interaction; Orbital magnetic phase (OMP); ORBITAL MAGNETIC PHASE; SPIN; TRANSPORT;
D O I：
10.1016/j.physleta.2010.12.014
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Novel quantum phases are found in the ground state of Rashba ring: the orbital magnetic phase (OMP), non-OMP, pseudo-OMP and quasi-OMP, which depend on the spin-orbit interaction (SOI) strength, electron number and ring size. We give the phase diagram and their quantum-phase-transition conditions. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：738 / 742
页数：5
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