Far-infrared resonance in Sr2RuO4

M. G. Hildebrand, M. Reedyk, T. Katsufuji, Y. Tokura

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Abstract

The optical properties of the 3 K phase of Sr2RuO4 were examined along the c axis at low frequencies and temperatures. Little difference was found above and below TC. The coherent motion of the carriers expected at low temperatures was confirmed through the observation of a drude-like upturn in the optical conductivity. The zero-frequency limit of the frequency-dependent scattering rate followed the T2 temperature dependence expected for a Fermi liquid. A strong resonance was observed near 9 meV. At low tempratures and frequencies, carriers have insufficient energy to interact with the mode, and the frequency-dependent scattering rate was strongly suppressed.

Original languageEnglish
Article number227002
Pages (from-to)227002/1-227002/4
JournalPhysical Review Letters
Volume87
Issue number22
Publication statusPublished - 2001 Nov 26
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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    Hildebrand, M. G., Reedyk, M., Katsufuji, T., & Tokura, Y. (2001). Far-infrared resonance in Sr2RuO4. Physical Review Letters, 87(22), 227002/1-227002/4. [227002].