On the statistical mechanics of coupled order parameters
作者： Y Imry
DOI: 10.1088/0022-3719/8/5/005
关键词:
摘要: Generalized Landau-Ginsburg models for systems with coupled order parameters are introduced. Detailed discussion is given a particular model biquadratic coupling between two (second-order) parameters. This includes the complete, rather interesting, phase diagrams within Landau-theory approximation and of fluctuation effects. For these, simple expectations presented based on topology Landau free-energy surfaces renormalization group results including an identification limitations latter. It argued that these very general relevant to many experimental interest.
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