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Kolley, E.; Kolley, W.
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Theoretical Physics1978
Joint Inst. for Nuclear Research, Dubna (USSR). Lab. of Theoretical Physics1978
AbstractAbstract
[en] Ferromagnetic spin waves in disordered alloys are derived at zero temperature from a microscopic Fermi liquid description of itinerant electrons. The spin wave stiffness constant is renormalized within the random Hubbard model using the coherent local ladder approximation in the particle-particle channel. Ward identities, the stability condition, and magnon damping are investigated. The present scheme is valid for systems with strong electron correlations and small carrier concentrations
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1978; 24 p; 25 refs.
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