Frustrated magnets in three dimensions: a nonperturbative approach

Details Frustrated magnets in three dimensions: a nonperturbative approach Frustrated magnets in three dimensions: a nonperturbative approach

2004-01-26

arxiv.org/abs/cond-mat/0401499v1

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.

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