Particle-Flux Separation and Quasi-excitations in Quantum Hall Systems
Particle-Flux Separation and Quasi-excitations in Quantum Hall Systems
复制标题
量子霍尔系统中的粒子通量分离和准激励
DOI：
10.1143/jpsj.71.1828
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发表时间：
2002
期刊：
影响因子：
--
通讯作者：
T. Matsui
中科院分区：
文献类型：
--
作者：
I. Ichinose;T. Matsui
本文用电荷和磁通作为电子的组分，研究了填充因子为ν= p /（2 pq ±1）的量子霍尔系统的准激发.在温度T < T PFS（ν）时，粒子-通量分离现象发生，电荷子和通量子被解除限制，表现为准粒子。磁通子的玻色凝聚证明了外磁场的（部分）抵消。通量子描述关联洞，而电荷子描述复合费米子。它们对电阻率ρ xy = h /（ν e2）的贡献是相加的。
The quasi-excitations of quantum Hall systems at the filling factor ν= p /(2 p q ±1) are studied in terms of chargeon and fluxon introduced previously as constituents of an electron at ν= 1/2. At temperatures T < T PFS (ν), the particle-flux separation phenomenon takes place, and chargeons and fluxons are deconfined to behave as quasiparticles. Bose condensation of fluxons justifies the (partial) cancellation of external magnetic field. Fluxons describe correlation holes, while chargeons describe composite fermions. They contribute to the resistivity ρ x y = h /(ν e 2 ) additively.