Heavy-fermion states in non-Fermi-liquid impurity metals |
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| Authors: | L A Manakova |
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| Institution: | (1) Russian Research Centre Kurchatov Institute, pl. Kurchatova 1, Moscow, 123182, Russia |
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| Abstract: | It is shown that a new type of instability of a non-Fermi-liquid state to the interband scattering of multiparticle excitations can dominate the formation of heavy-fermion states in non-Fermi-liquid metals doped with unstable-valence f impurities. A new mechanism is proposed for the formation of a small energy scale and pseudogaps near the Fermi level in a mixed-valent state. |
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