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首页> 外文期刊>Solid State Communications >Effect of toroidal moment on a macroscopic self-organization of electrons in the quantum Hall regime
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Effect of toroidal moment on a macroscopic self-organization of electrons in the quantum Hall regime

机译：环形矩对量子霍尔体系中电子的宏观自组织的影响

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摘要

We have studied CR lineshape of terahertz-light-induced current in InAs quantum wells in tilted quantizing magnetic fields. We have observed dramatic modification of the lineshape with increasing of in-plane component of magnetic field as well as with increasing of transverse built-in electric field in the well. Scenario of the modification shows that the energy spectrum asymmetry is determined by so-called toroidal moment of the system and is a function of Landau quantum number. Macroscopic self-organization of electrons under the conditions of quantum Hall effect has also been directly demonstrated in both linear and saturation regimes of the light absorption.
机译：我们研究了倾斜量化磁场中InAs量子阱中太赫兹光感应电流的CR线形。我们已经观察到线形随磁场中平面内分量的增加以及井中横向内置电场的增加而发生了显着变化。修改方案表明，能谱不对称性由系统的环形矩决定，并且是Landau量子数的函数。在量子霍尔效应条件下，电子的宏观自组织也已经在光吸收的线性和饱和状态下直接得到证明。

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