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arXiv 0812.2304cond-mat.mes-hall
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GaAs/Al PDMATHAAB Ga $_{1-x}$ As异质结构二维电子系统辐射感生磁电阻振荡的费米液体模型:电子库的理论证据

Fermi Liquid Model of Radiation Induced Magnetoresistance Oscillations in GaAs/Al$_x$Ga$_{1-x}$As Heterostructure Two-Dimensional Electron System: Theoretical Evidence of an Electron Reservoir

Tadashi Toyoda

摘要:

Zudov等人[Phys. Rev. B { \bf 64},2013 - 11(2001)]最近在GaAs/Al $_x$ Ga $_{1-x}$ As异质结构中观察到的毫米波辐射引起的磁阻振荡,通过引入基于有限温度费米液体直流电导率理论和电子库假设的模型,在理论上再现了这种现象.所获得的振荡模式显示出与Zudov等人的实验结果非常一致,并且与Smet等人的实验观察一致,与辐射场的偏振无关[Phys. Rev. Lett. { \bf 95},116804(2005)]。

英文摘要:

The magnetoresistance oscillations in GaAs/Al$_x$Ga$_{1-x}$As heterostructures induced by millimeterwave radiation recently observed by Zudov et al. [Phys. Rev. B {\bf 64}, 201311 (2001)] is theoretically reproduced by introducing a model based on the finite temperature Fermi liquid theory of dc conductivity and the electron reservoir hypothesis. The obtained oscillation patterns show excellent agreement with the experimental result by Zudov et al. and are independent of the polarization of the radiation field in accordance with the experimental observation by Smet et al. [Phys. Rev. Lett. {\bf 95}, 116804 (2005)].

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