Some Analytical Results in Dynamics of Spheroidal Galaxies
The surfaces of section in a harmonic oscillator potential, perturbed by quartic terms, are obtained analytically. A succession of actionangle, Lissajous and Lie transformations near the 1:1 commensurability, reduces the threedimensional motion to a onedimensional one. The latter is solved in terms...
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| Veröffentlicht in: | Celestial mechanics and dynamical astronomy 1998-04, Vol.70 (4), p.255-270 |
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| container_title | Celestial mechanics and dynamical astronomy |
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| creator | Jalali, M A Sobouti, Y |
| description | The surfaces of section in a harmonic oscillator potential, perturbed by quartic terms, are obtained analytically. A succession of actionangle, Lissajous and Lie transformations near the 1:1 commensurability, reduces the threedimensional motion to a onedimensional one. The latter is solved in terms of Jacobi's elliptic functions. Existence conditions for periodic orbits are found and two general families of such solutions are introduced. Two examples of regular motions in oblate and prolate spheroids are discussed.[PUBLICATION ABSTRACT] |
| doi_str_mv | 10.1023/A:1008345211757 |
| format | Article |
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| ispartof | Celestial mechanics and dynamical astronomy, 1998-04, Vol.70 (4), p.255-270 |
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| language | eng |
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| source | Springer Nature - Complete Springer Journals |
| subjects | Oscillators |
| title | Some Analytical Results in Dynamics of Spheroidal Galaxies |
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