Integrable generalizations of oscillator and Coulomb systems via action-angle variables

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  • Yerevan State University
  • Yerevan Physics Institute - Armenian Academy of Sciences
  • Istituto Nazionale di Fisica Nucleare (INFN)
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Original languageEnglish
Pages (from-to)679-686
Number of pages8
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Volume376
Issue number5
Publication statusPublished - 16 Jan 2012

Abstract

Oscillator and Coulomb systems on N-dimensional spaces of constant curvature can be generalized by replacing their angular degrees of freedom with a compact integrable (N-1)-dimensional system. We present the action-angle formulation of such models in terms of the radial degree of freedom and the action-angle variables of the angular subsystem. As an example, we construct the spherical and pseudospherical generalization of the two-dimensional superintegrable models introduced by Tremblay, Turbiner and Winternitz and by Post and Winternitz. We demonstrate the superintegrability of these systems and give their hidden constant of motion.

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Integrable generalizations of oscillator and Coulomb systems via action-angle variables. / Hakobyan, T.; Lechtenfeld, O.; Nersessian, A. et al.
In: Physics Letters, Section A: General, Atomic and Solid State Physics, Vol. 376, No. 5, 16.01.2012, p. 679-686.

Research output: Contribution to journalArticleResearchpeer review

Hakobyan T, Lechtenfeld O, Nersessian A, Saghatelian A, Yeghikyan V. Integrable generalizations of oscillator and Coulomb systems via action-angle variables. Physics Letters, Section A: General, Atomic and Solid State Physics. 2012 Jan 16;376(5):679-686. doi: 10.1016/j.physleta.2011.12.034
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AU - Saghatelian, A.

AU - Yeghikyan, V.

N1 - Funding Information: This work was partially supported by Volkswagen Foundation Grant I/84 496 and by the Grants SCS 11-1c258 and SCS-BFBR 11AB-001 of the Armenian State Committee of Science . Copyright: Copyright 2012 Elsevier B.V., All rights reserved.

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