Nature of finite-temperature transition in anisotropic pyrochlore Er2Ti2O7

E. Zhitomirsky, M.; C. W. Holdsworth, P.; Moessner, Roderich

doi:10.1103/physrevb.89.140403

Public

Nature of finite-temperature transition in anisotropic pyrochlore Er2Ti2O7

Published in Physical Review B • Apr 7, 2014

Authors:

M. E. Zhitomirsky

P. C. W. Holdsworth

Roderich Moessner

Abstract

We study the finite-temperature transition in a model $XY$ antiferromagnet on a pyrochlore lattice, which describes the pyrochlore material ${\mathrm{Er}}_{2}{\mathrm{Ti}}_{2}{\mathrm{O}}_{7}$. The ordered magnetic structure selected by thermal fluctuations is sixfold degenerate. Nevertheless, our c...

Subject

Pyrochlore

Condensed matter physics

Antiferromagnetism

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