Symmetry Classes of Spin and Orbital Ordered States in a t2g Hubbard Model on a Two-Dimensional Square Lattice

DOI10.1143/PTP.121.391zbMath1173.82310arXiv0802.1044MaRDI QIDQ3634222

Akira Goto, Masanori Hamada, Masa-Aki Ozaki, Akira Nakanishi

Publication date: 23 June 2009

Published in: Progress of Theoretical Physics (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/0802.1044

zbMATH Keywords

bifurcationphase diagramHubbard modelCoulomb interactionHartreee-Fock equation

Mathematics Subject Classification ID

PDEs in connection with quantum mechanics (35Q40) Phase transitions (general) in equilibrium statistical mechanics (82B26) Lattice systems (Ising, dimer, Potts, etc.) and systems on graphs arising in equilibrium statistical mechanics (82B20) Statistical mechanics of magnetic materials (82D40)

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