The Fano anti-resonance and IR-properties of organic conductors |
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Authors: | LP Gorkov EI Rashba |
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Institution: | L.D. Landau Institute for Theoretical Physics, USSR Academy of Sciences, Vorobjevskoe shosse 2, 117940 Moscow B-334, U.S.S.R. |
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Abstract: | At high temperatures, i.e. in the metallic state excitation of the IR-forbidden symmetric intramolecular modes is shown to become effective. Near the threshold of emission for such a phonon there appears a fine structure as a result of the acoustic phonon assisted excitation of the intramolecular mode by energetic band electrons. The absorption reveals the behaviour typical of the Fano anti-resonance. The infrared frequency dependence of the organic compounds conductivity is discussed. |
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