Hopf Fibrations of the Sphere-Constraints in the Non-Linear σ Models
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We show that it is the Hopf maps that connect the fields in the (CP^1)_2 and (HP^1)_4 models with those of the non-linear σ-models, as anticipated from the fact that S^2 and S^4, which constrain the fields of the σ-models, are homeomorphs of CP^1 and HP^1 respectively.
- 理論物理学刊行会の論文
- 1980-05-25
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