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Type: Artigo de periódico
Title: Chaotic motion in axially symmetric potentials with oblate quadrupole deformation
Author: Letelier, PS
Ramos-Caro, J
Lopez-Suspes, F
Abstract: By computing the Poincare's surfaces of section and Lyapunov exponents, we study the effect of introducing an oblate quadrupole in the dynamics associated with two generic spherical potentials of physical interest: the central monopole and the isotropic harmonic oscillator. In the former case we find saddle points in the effective potential, in contrast to the statements presented by Gueron and Letelier in [E. Gueron, P.S. Letelier, Phys. Rev. E 63 (2001) 035201]. The results we show in the second case have application in nuclear or atomic physics. In particular, we find values of oblate deformation leading to a disappearance of shell structure in the single-particle spectrum. (C) 2011 Elsevier B.V. All rights reserved.
Subject: Chaos
Nuclear physics
Atomic physics
Mean field approach
Country: Holanda
Editor: Elsevier Science Bv
Rights: fechado
Identifier DOI: 10.1016/j.physleta.2011.08.050
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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