准二维金属中的低频电磁波
On the low frequency electromagnetic waves in quasi-two-dimensional metals
摘要：
在这里，我们从理论上分析了弱衰减电磁波的频谱可能出现在一个费米液体的载流子在准二维（Q2 D）分层导体时，外部磁场施加垂直的导电层。我们研究了横模沿磁场的传播。假设模式的频率低于载流子的回旋频率。研究表明，Q2 D导体中的载流子的费米-液体相互作用产生了一种模式，这种模式在带电准粒子气体中无法出现，而在传统金属中也会出现。此外，我们表明，费米面plofile可能会导致显着的变化，在波谱，我们分析了这些变化。
英文摘要：
Here, we theoretically analyze spectra of weakly attenuated electromagnetic waves which may appear in a Fermi-liquid of charge carriers in quasi-two-dimensional (Q2D) layered conductors when an external magnetic field is applied perpendicularly to the conducting layers. We study transverse modes propagating along the magnetic field. The frequencies of the modes are assumed to be lower than the cyclotron frequency of the charge carriers. It is shown that Fermi-liquid interaction of the charge carriers in Q2D conductors gives rise to a mode which cannot appear in a gase of charged quasiparticles, as well as it happens in conventional metals. Also, we show that the Fermi surface plofile may cause significant changes in the waves spectra and we analyze these changes.
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