XY checkerboard antiferromagnet in external field
classification
❄️ cond-mat.str-el
cond-mat.stat-mech
keywords
antiferromagnetcheckerboardfieldfieldsorderingzeroanalyticalbroken
read the original abstract
Ordering by thermal fluctuations is studied for the classical XY antiferromagnet on a checkerboard lattice in zero and finite magnetic fields by means of analytical and Monte Carlo methods. The model exhibits a variety of novel broken symmetries including states with nematic ordering in zero field and with triatic order parameter at high fields.
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