An Exactly Soluble Model with Antiferromagnetic Properties

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概要

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• We investigate an antiferromagnetic model consisting of two coinciding lattices constructed from particles and antiparticles with an interaction which tends to align spins of like particles and to antialign spins of unlike particles. The model has a similarity to the Lee model, in the sense that the state space can be divided into sectors and in the lowest sectors the model can be solved exactly and explicitly. But our model has dynamical rotational symmetry which leads to angular momentum conservation besides the usual conservation of additive quantum numbers. The model is an extension of a previous work by Biritz on the ferromagnet. The model may have some relevance with respect to an isospin asymmetrical vacuum state and for the construction of strange particle in elementary particle physics, as indicated by recent publications of the Heisenberg school.

• 理論物理学刊行会の論文
• 1972-12-25

著者

• Yamazaki Kazuo

  Max-planck-institut Fur Physik Und Astrophysik : The Institute Of Physics College Of General Educati

• YAMAZAKI Kazuo

  Max-Planck-Institut fur Physik und Astrophysik : the Institute of Physics, College of General Education, Kyoto University

関連論文

• An Exactly Soluble Model with Antiferromagnetic Properties

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