Physics – Nuclear Physics – Nuclear Theory
Scientific paper
1998-09-02
Prog.Theor.Phys. 100 (1998) 1223-1238
Physics
Nuclear Physics
Nuclear Theory
18 pages including 21 PS figures, REVTeX with epsf.sty
Scientific paper
10.1143/PTP.100.1223
Classical periodic orbits responsible for emergence of the superdeformed shell structures for single-particle motions in spheroidal cavities are identified and their relative contributions to the shell structures are evaluated. Both prolate and oblate superdeformations (axis ratio about 2:1) as well as prolate hyperdeformation (axis ratio about 3:1) are investigated. Fourier transforms of quantum spectra clearly show that three-dimensional periodic orbits born out of bifurcations of planar orbits in the equatorial plane become predominant at large prolate deformations, while butterfly-shaped planar orbits bifurcated from linear orbits along the minor axis are important at large oblate deformations.
Arita Kazunori
Matsuyanagi Kenichi
Sugita Ayumu
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