Quadrupolar phase transition and field-dependent multipolar fluctuation in CeB6
作者： Ryousuke Shiina
DOI: 10.1143/JPSJ.70.2746
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摘要: The effect of multipolar fluctuations on the quadrupolar phase transition in CeB 6 is investigated. d -1 -correction to mean-field solution Ruderman–Kittel–Kasuya–Yoshida (RKKY) model analyzed terms a generalized Landau expansion free energy, with being spatial dimension. It shown that become strong and field-dependent when close SU(4)-symmetric limit. As result, various unusual phenomena around are be reasonably explained within RKKY model. realistic form interactions for discussed basis quantitative comparison experiments.
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