journal article·2001-05

Noncollinear magnetism and the Hubbard model: an exact numerical treatment

M.F Silva, K Capelle, L.N Oliveira

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Abstract

Abstract The formation of a spin-density wave in the one-dimensional Hubbard model with a small number N of sites is investigated. The numerical diagonalization of the model Hamiltonian shows that, for odd N, frustration gives rise to a spin-density wave in the ground state.
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Research context

OpenAlex topics: Physics of Superconductivity and Magnetism · Cold Atom Physics and Bose-Einstein Condensates · Quantum and electron transport phenomena

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References (4)

Show source-provided references
1. Capelle · Europhys. Lett. · 2000 · 49 · 37610.1209/epl/i2000-00159-8 ↗
2. Capelle · Phys. Rev. B · 2000 · 61 · 1522810.1103/PhysRevB.61.15228 ↗
3. Lieb · Phys. Rev. Lett. · 1968 · 20 · 144510.1103/PhysRevLett.20.1445 ↗
4. Takahashi · Progr. Theor. Phys. · 1969 · 42 · 109810.1143/PTP.42.1098 ↗