A list of all integrable 2D homogeneous polynomial potentials with a polynomial integral of order at most 4 in the momenta

Abstract

We searched integrable 2D homogeneous polynomial potential with a polynomial first integral by using the so-called direct method of searching for first integrals. We proved that there exist no polynomial first integrals which are genuinely cubic or quartic in the momenta if the degree of homogeneous polynomial potentials is greater than 4.

22 pages, no figures, to appear in J. Phys. A: Math. Gen

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