Abstract
We show that a certain four-dimensional field theory has powerful structures in common with the two-dimensional 0(1, 3) non-linear σ-model.
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Communicated by R. Haag
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Pohlmeyer, K. On the Lagrangian theory of anti-self-dual fields in four-dimensional euclidean space. Commun.Math. Phys. 72, 37–47 (1980). https://doi.org/10.1007/BF01200109
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DOI: https://doi.org/10.1007/BF01200109