Physics – Condensed Matter – Statistical Mechanics
Scientific paper
2004-01-26
J. Phys.: Condens. Matter 16, S883-S889 (2004)
Physics
Condensed Matter
Statistical Mechanics
7 pages, 1 figure. IOP style files included. To appear in Journal of Physics: Condensed Matter. Proceedings of the conference
Scientific paper
10.1088/0953-8984/16/11/044
Frustrated magnets exhibit unusual critical behaviors: they display scaling laws accompanied by nonuniversal critical exponents. This suggests that these systems generically undergo very weak first order phase transitions. Moreover, the different perturbative approaches used to investigate them are in conflict and fail to correctly reproduce their behavior. Using a nonperturbative approach we explain the mismatch between the different perturbative approaches and account for the nonuniversal scaling observed.
Delamotte Bertrand
Mouhanna Dominique
Tissier Matthieu
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