The electrodynamics of the spin density wave ground state : optical experiments on (TMTSF)2PF6

Steve Donavan, Yong Kim, Leonardo Degiorgi, Martin Dressel, George Grüner & Wolfgang Wonneberger
Conductivity measurements are reported in the organic linear-chain compound (TMTSF)2PF6 , in both the metallic and spin-density-wave states. The components of the complex conductivity were established by measurements in the radio-frequency, micro- and millimeter wave, and infrared spectral ranges. At temperatures above the spin-density-wave transition, a Drude-like metallic behavior was found together with a temperature-independent feature at higher frequencies. An observed Drude scattering rate of 3 cm-1 was found, placing the material well into the...
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