New classes of quadratically integrable systems with velocity dependent potentials: non-subgroup type cases

Abstract

We study quadratic integrability of systems with velocity dependent potentials in three-dimensional Euclidean space. Unlike in the case with only scalar potential, quadratic integrability with velocity dependent potentials does not imply separability in the configuration space. The leading order terms in the pairs of commuting integrals can either generalize or have no relation to the forms leading to separation in the absence of a vector potential. We call such pairs of integrals generalized, to distinguish them from the standard ones, which would correspond to separation. Here we focus on three cases of generalized non-subgroup type integrals, namely elliptic cylindrical, prolate / oblate spheroidal and circular parabolic integrals, together with one case not related to any coordinate system. We find two new integrable systems, non-separable in the configuration space, both with generalized elliptic cylindrical integrals. In the other cases, all systems found were already known and possess standard pairs of integrals. In the limit of vanishing vector potential, both systems reduce to free motion and therefore separate in every orthogonal coordinate system.

arXiv comment25 pages, 4 figures. This preprint has not undergone peer review or any post-submission improvements or corrections. The Version of Record of this article is published in the European Physical Journal - Plus (EPJ Plus), and is available online

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Cited by in corpus (2)

• Integrable systems in magnetic fields: the generalized parabolic cylindrical case
• Hamiltonian integrable systems in a magnetic field and Symplectic-Haantjes geometry