论文标题

在传导2D网络中的非Furmi液体

Non-Fermi Liquids in Conducting 2D Networks

论文作者

Lee, Jongjun M., Oshikawa, Masaki, Cho, Gil Young

论文摘要

我们探索从传导网络中出现的新型费米液体的物理学,其中1D金属线形成了周期性的2D上层建筑。这种结构自然出现在边缘扭曲的双层石墨素中,摩尔过渡金属二进制基因源以及某些电荷密度波材料中。对于这些网络系统,我们从理论上表明,出现了各种各样的新型非富特液体,并且这些非Fermi液体可以通过网络中交界处的特性进行分类。使用此过程,我们计算非Fermi液体的电导率是温度的函数,该温度与常规2D费米液体的缩放行为明显不同。

We explore the physics of novel fermion liquids emerging from conducting networks, where 1D metallic wires form a periodic 2D superstructure. Such structure naturally appears in marginally-twisted bilayer graphenes, moire transition metal dichalcogenides, and also in some charge-density wave materials. For these network systems, we theoretically show that a remarkably wide variety of new non-Fermi liquids emerge and that these non-Fermi liquids can be classified by the characteristics of the junctions in networks. Using this, we calculate the electric conductivity of the non-Fermi liquids as a function of temperature, which show markedly different scaling behaviors than a regular 2D Fermi liquid.

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