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1982•Journal of the Physical Society of JapanRequires access

I=∞ Hubbard Model on Finite Lattices

Minoru Takahashi

Open publisher page 69 citations

Abstract

Ferromagnetism of the single band Hubbard model at I =∞ is analyzed numerically. The lowest energies at given electron number and total spin are calculated for various finite lattices, such as 3×4 square lattice, 2×2×3 simple cubic lattice and triangular lattices. It is found that the three-site exchange is important for the strong ferromagnetism.

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What this paper is about

Ferromagnetism of the single band Hubbard model at I =∞ is analyzed numerically. The lowest energies at given electron number and total spin are calculated for various finite lattices, such as 3×4 square lattice, 2×2×3 simple cubic lattice and triangular lattices. It is found that the three-site exchange is important for the strong ferromagnetism.

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Available abstract

Ferromagnetism of the single band Hubbard model at I =∞ is analyzed numerically. The lowest energies at given electron number and total spin are calculated for various finite lattices, such as 3×4 square lattice, 2×2×3 simple cubic lattice and triangular lattices. It is found that the three-site exchange is important for the strong ferromagnetism.

Key concepts: Hubbard model, Ferromagnetism, Condensed matter physics, Square lattice, Lattice (music), Physics, Hexagonal lattice, Electron

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