Ferromagnetism in the Highly-Correlated Hubbard Model

Details Ferromagnetism in the Highly-Correlated Hubbard Model Ferromagnetism in the Highly-Correlated Hubbard Model

2010-05-26

arxiv.org/abs/1005.4795v1

Solid State Phenomena, 168-169 (2011) 469-472

Physics

Condensed Matter

Strongly Correlated Electrons

Report on IV Euro-Asian Symposium "Trends in MAGnetism" EASTMAG-2010, Ekaterinburg; 4 pages, pdf

Scientific paper

10.4028/www.scientific.net/SSP.1

The Hubbard model with strong correlations is treated in the many-electron representation of Hubbard's operators. The regions of stability of saturated and non-saturated ferromagnetism in the n-U plane for the square and simple cubic lattices are calculated. The role of the bare density of states singularities for the magnetic phase diagram is discussed. A comparison with the results of previous works is performed.

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