Abstract
We construct a soliton solution of the non-linear complex Grassmannσ-model with higher derivatives, and show that this solution, as a continuous map, represents a generator of theK-group of a sphere.
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Communicated by A. Jaffe
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Fujii, K. A classical solution of the non-linear complex Grassmann σ-model with higher derivatives. Commun.Math. Phys. 101, 207–211 (1985). https://doi.org/10.1007/BF01218759
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DOI: https://doi.org/10.1007/BF01218759