Specific-heat critical behavior ofand holmium: Two tests of chiral universality
- 17 June 1991
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 66 (24) , 3195-3198
- https://doi.org/10.1103/physrevlett.66.3195
Abstract
Specific-heat () measurements have been made near the H=0 phase transition in , an XY stacked triangular antiferromagnet, and Ho, a helical antiferromagnet. Previous neutron-scattering experiments indicate both to be prime candidates for chiral universality. vs T data for yield α=0.39±0.09, in agreement with Monte Carlo results; however, data for Ho show quite a different behavior.
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