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Chiral exponents in frustrated spin models with noncollinear ordering

Pelissetto, Andrea and Rossi, Paolo and Vicari, Ettore (2002) Chiral exponents in frustrated spin models with noncollinear ordering. Physical review. B, Condensed matter and materials physics, 65 . 020403. ISSN 1550-235X

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We compute the chiral critical exponents for the chiral transition in frustrated two- and three-component spin systems with noncollinear order, such as stacked triangular antiferromagnets (STA). For this purpose, we calculate and analyze the six-loop field-theoretical expansion of the renormalization-group function associated with the chiral operator. The results are in satisfactory agreement with those obtained in the recent experiment on the XY STA CsMnBr_3 reported by V. P. Plakhty et al., Phys. Rev. Lett. 85, 3942 (2000), providing further support for the continuous nature of the chiral transition.

Item Type: Article
Additional Information: Imported from arXiv
Subjects: Area02 - Scienze fisiche > FIS/02 - Fisica teorica, modelli e metodi matematici
Divisions: Dipartimenti (until 2012) > DIPARTIMENTO DI FISICA " E. FERMI"
Depositing User: dott.ssa Sandra Faita
Date Deposited: 09 Apr 2015 15:27
Last Modified: 09 Apr 2015 15:27
URI: http://eprints.adm.unipi.it/id/eprint/1784

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