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Article Dans Une Revue Physical Review Letters Année : 2020

Itinerant-electron magnetism: the importance of many-body correlations

Résumé

Do electrons become ferromagnetic just because of their repulisve Coulomb interaction? Our calculations on the three-dimensional electron gas imply that itinerant ferromagnetim of delocalized electrons without lattice and band structure, the most basic model considered by Stoner, is suppressed due to many-body correlations as speculated already by Wigner, and a possible ferromagnetic transition lowering the density is precluded by the formation of the Wigner crystal.

Dates et versions

hal-02994395 , version 1 (07-11-2020)

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Markus Holzmann, Saverio Moroni. Itinerant-electron magnetism: the importance of many-body correlations. Physical Review Letters, 2020, ⟨10.1103/PhysRevLett.124.206404⟩. ⟨hal-02994395⟩

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