Orbital order in classical models of transition-metal compounds
Nussinov, Zohar ; Biskup, Marek ; Chayes, Lincoln ; Brink, Jeroen van den
arXiv, 0309692 / Harvested from arXiv
Text on arXiv
We study the classical 120-degree and related orbital models. These are the classical limits of quantum models which describe the interactions among orbitals of transition-metal compounds. We demonstrate that at low temperatures these models exhibit a long-range order which arises via an "order by disorder" mechanism. This strongly indicates that there is orbital ordering in the quantum version of these models, notwithstanding recent rigorous results on the absence of spin order in these systems.
Publié le : 2003-09-29
Classification:  Condensed Matter - Statistical Mechanics,  Condensed Matter - Strongly Correlated Electrons,  Mathematical Physics,  Mathematics - Probability 
@article{0309692,
     author = {Nussinov, Zohar and Biskup, Marek and Chayes, Lincoln and Brink, Jeroen van den},
     title = {Orbital order in classical models of transition-metal compounds},
     journal = {arXiv},
     volume = {2003},
     number = {0},
     year = {2003},
     language = {en},
     url = {http://dml.mathdoc.fr/item/0309692}
}

Nussinov, Zohar; Biskup, Marek; Chayes, Lincoln; Brink, Jeroen van den. Orbital order in classical models of transition-metal compounds. arXiv, Tome 2003 (2003) no. 0, . http://gdmltest.u-ga.fr/item/0309692/