期刊
PHYSICAL REVIEW LETTERS
卷 87, 期 22, 页码 art. no.-227002出版社
AMERICAN PHYSICAL SOC
DOI: 10.1103/PhysRevLett.87.227002
关键词
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The far-infrared c-axis reflectance of Sr2RuO4 has been measured above and below the 2.5 K superconducting transition temperature of the sample. A plasma edge develops near 70 cm(-1) as the temperature is lowered, which corresponds to a Drude peak in the real optical conductivity associated with the onset of the coherent motion of the carriers. A gaplike suppression of the frequency-dependent scattering rate at low temperatures indicates that the coherent transport is related to a loss of scattering below 60 cm(-1). A strong resonance near 9 meV is responsible for the scattering that destroys coherence.
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