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arxiv: cond-mat/0011436 · v2 · submitted 2000-11-25 · ❄️ cond-mat.mtrl-sci · cond-mat.str-el

Evidence for novel polaronic Fermi-liquid in doped oxides

A.S. Alexandrov (Department of Physics , Loughborough University , Loughborough) , Guo-meng Zhao , H. Keller (Physik-Institut der Universitat Zurich , Zurich , Switzerland) , B. Lorenz
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Y. S. Wang (Department of Physics Texas Center for Superconductivity University of Houston Houston Texas USA) C. W. Chu (Department of Physics USA Lawrence Berkeley National Laboratory Berkeley CA
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classification ❄️ cond-mat.mtrl-sci cond-mat.str-el
keywords dopedfermi-liquidpolaronicstateevidencenoveloxidesbeen
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The modern multi-polaron theory predicts a polaronic Fermi-liquid state, but such a state has not been unambigously confirmed by experiment so far. Here we report theoretical and experimental studies of the isotope effects on the low temperature kinetic properties of the doped ferromagnetic manganites. Our results provide clear evidence for a novel polaronic Fermi-liquid state in doped oxides.

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