LIFTING OF MULTIPHASE DEGENERACY BY QUANTUM FLUCTUATIONS
We study the effect of quantum fluctuations on the multiphase point of the Heisenberg model with first- and second-neighbor competing interactions and strong uniaxial spin anisotropy D. By studying the structure of perturbation theory we show that the multiphase degeneracy which exists for S= (i.e.,...
Main Authors: | Harris, A, Micheletti, C, Yeomans, J |
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Format: | Journal article |
Language: | English |
Published: |
1995
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