Optical conductivity in A3C60 (A=K, Rb)

2); 3) ((1)Max-Planck-Institut f\"ur Festk\"orperforschung; Applied Physics; Berlin; Germany); Germany (2)Laboratory of Solid State; J. van den Brink(1; Olle Gunnarsson(1); Stuttgart; The Netherlands (3)Hahn-Meitner-Institut

arxiv: cond-mat/9703186 · v1 · submitted 1997-03-20 · ❄️ cond-mat.str-el

Optical conductivity in A3C60 (A=K, Rb)

J. van den Brink(1 , 2) , Olle Gunnarsson(1) , V. Eyert(1 , 3) ((1)Max-Planck-Institut f\"ur Festk\"orperforschung , Stuttgart , Germany (2)Laboratory of Solid State , Applied Physics

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University of Groningen The Netherlands (3)Hahn-Meitner-Institut Berlin Germany)

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keywords a3c60conductivitylambdaopticalpeakalthoughcouplingdescribe

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We study the optical conductivity in A3C60 (A =K, Rb). The effects of the electron-phonon interaction is included to lowest order in the coupling strength lambda. It is shown that this leads to a narrowing of the Drude peak by a factor 1+lambda and a transfer of weight to a mid-infrared peak at somewhat larger energies than the phonon energy. Although this goes in the right direction, it is not sufficient to describe experiment.

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Optical conductivity in A3C60 (A=K, Rb)

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