Spin structures in inhomogeneous fractional quantum Hall systems

被引：0
|
作者：
Vyborny, K [1 ]
Pfannkuche, D [1 ]
机构：
[1] Univ Hamburg, Inst Theoret Phys 1, D-20355 Hamburg, Germany
来源：
PHYSICS OF SEMICONDUCTORS, PTS A AND B | 2005年 / 772卷
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D O I：
暂无
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
We investigate the transition from the spin-singlet to the polarized incompressible ground state in systems with filling factor 2/3 using exact diagonalization with eight electrons. Directly at the transition the ground state is a new stable half-polarized state which seems to be gapless. This state reacts strongly to magnetic inhomogeneities but it prefers stripe-like spin structures to formation of domains.
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页码：535 / 536
页数：2
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