Charge density wave dynamics on ring

被引：0

作者：

Matsuura, Toru ^{[1
]}

Tsuneta, Taku ^{[2
]}

Inagaki, Katsuhiko ^{[1
]}

Tanda, Satoshi ^{[1
]}

机构：

[1] Hokkaido Univ, Dept Appl Phys, Grad Sch Engn, Kita 13,Nishi 8, Sapporo, Hokkaido 0608628, Japan

[2] Aalto Univ, Low Temp Lab, FIN-02150 Espoo, Finland

来源：

LOW TEMPERATURE PHYSICS, PTS A AND B | 2006年 / 850卷

关键词：

charge density wave; ring crystals; topology;

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

We have studied a topological effect of a charge density wave (CDW) in niobium triselenide ring crystals. We measured the frequency dependence of AC conductivity in the range from 300 kHz to 1.3 GHz to investigate the dynamics of the CDW ring. We compared the dynamical properties of the CDW in the ring and in the cut-ring geometries. The experimental data shows that the pinning frequency of the cut-ring is larger than that of the ring. This result suggests that the dynamics of the CDW depend on the edges, i.e., the topological structure of the sample.

引用

页码：1528 / +

页数：2

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