Abstract
Integrable two-dimensional models which possess an integral of motion cubic or quartic in velocities are governed by a single prepotential, which obeys a nonlinear partial differential equation. Taking into account the latter’s invariance under continuous rescalings and a dihedral symmetry, we construct new integrable models with a cubic or quartic integral, each of which involves either one or two continuous parameters. A reducible case related to the two-dimensional wave equation is discussed as well. We conjecture a hidden D 2n dihedral symmetry for models with an integral of nth order in the velocities.
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ArXiv ePrint: 1306.5238
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Galajinsky, A., Lechtenfeld, O. On two-dimensional integrable models with a cubic or quartic integral of motion. J. High Energ. Phys. 2013, 113 (2013). https://doi.org/10.1007/JHEP09(2013)113
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DOI: https://doi.org/10.1007/JHEP09(2013)113