Gapless excitation above a domain wall ground state in a flat-band Hubbard model

DOI10.1007/s10955-004-2723-4zbMath1079.82023arXivcond-mat/0405388OpenAlexW2081335046MaRDI QIDQ2487835

Makoto Homma, Chigak Itoi

Publication date: 8 August 2005

Published in: Journal of Statistical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/cond-mat/0405388

zbMATH Keywords

exact solutionflat-band Hubbard modelspin-waveferromagnetic domain wall ground stategapless excitation

Mathematics Subject Classification ID

Disordered systems (random Ising models, random Schrödinger operators, etc.) in equilibrium statistical mechanics (82B44) Statistical mechanics of magnetic materials (82D40)

Cites Work

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• Ferromagnetism in the Hubbard models with degenerate single-electron ground states
• Exact Solutions of Domain Wall and Spiral Ground States in Hubbard Models
• Gibbs State Describing Coexistence of Phases for a Three-Dimensional Ising Model

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