Hyperbolic complex numbers and nonlinear sigma models |
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| Authors: | D. Lambert Ph. Tombal |
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| Affiliation: | (1) Institut de Physique Théorique, Université Catholique de Louvain, B-1348 Louvain-la-Neuve, Belgium;(2) Laboratoire de Physique Mathématique, Facultés Universitaires N.-D. de la Paix, B-5000 Namur, Belgium |
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| Abstract: | We show that the hyperbolic complex numbers or double numbers can be used to generate solutions of two-dimensional Minkowskian sigma models with values on noncompact manifolds. |
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