Deviations from Drude response in low-dimensional metals: Electrodynamics of the metallic state of (TMTSF)(2)PF6

被引:91
作者
Dressel, M
Schwartz, A
Gruner, G
Degiorgi, L
机构
[1] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90095
[2] ETH ZURICH,FESTKORPERPHYS LAB,CH-8093 ZURICH,SWITZERLAND
关键词
D O I
10.1103/PhysRevLett.77.398
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The optical properties of the linear chain compound bis-(tetramethyltetraselenafulvalene)hexafluorophosphate, (TMTSF)(2)PF6, were examined in an extremely wide frequency range in the metallic state, above the spin density wave transition (T > 12 K). Parallel to the chains the conductivity has two distinct features,a zero frequency response and a finite energy absorption. Both features are temperature dependent with most of the spectral weight in the finite energy mode. Perpendicular to the chains, a Drude-like response is recovered. We discuss the implications of our findings.
引用
收藏
页码:398 / 401
页数:4
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