Order by distortion and string modes in pyrochlore antiferromagnets

Oleg Tchernyshyov; R. Moessner; S. L. Sondhi

doi:10.1103/PhysRevLett.88.067203

Order by distortion and string modes in pyrochlore antiferromagnets

Oleg Tchernyshyov, R. Moessner, S. L. Sondhi

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Abstract

An attempt was made to demonstrate that a large spin degeneracy and high symmetry of the pyrochlore network provide a robust way to relieve spin frustration: by means of a Jahn-Teller distortion of tetrahedra. The theory has direct relevance to the observed magnetic and structural phase transitions and local modes in pyrochlore antiferromagnets YMn₂, ZnV₂O₄, MgV₂O₄, ZnCr₂O₄, and MgCr₂O₄.

Original language	English (US)
Article number	067203
Pages (from-to)	67203/1-67203/4
Journal	Physical review letters
Volume	88
Issue number	6
DOIs	https://doi.org/10.1103/PhysRevLett.88.067203
State	Published - Feb 11 2002

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.88.067203

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Order by distortion and string modes in pyrochlore antiferromagnets

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