Journal
MAGNETISM AND MAGNETIC MATERIALS V
Volume 190, Issue -, Pages 67-+Publisher
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/SSP.190.67
Keywords
Hubbard model; spin density wave; charge density wave
Funding
- Russian Basic Research Foundation [09-02-00461, 10020708]
- Program of RAS [09-2-2001]
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We consider the magnetic phase diagram of the two-dimensional Hubbard model on a square lattice. We take into account both spiral and collinear incommensurate magnetic states. The possibility of phase separation of spiral magnetic phases is taken into consideration as well. Our study shows that all the listed phases appear to be the ground state at certain parameters of the model. Relation of the obtained results to real materials, e.g. Cu-based high-temperature superconductors, is discussed.
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