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Type: Artigo de periódico
Title: Potential-density pairs for bent bars
Author: Vogt, D
Letelier, PS
Abstract: A method is presented to bend a thin massive line when the curvature is small. The procedure is applied to a homogeneous thin bar with two types of curvatures. One of them mimics a galactic bar with two spiral arms at its tips. It is showed that if the bending function is a linear combination of Legendre polynomials, then the bent potential is an exact solution of the Laplace equation. A transformation is applied on the thin bent bars to generate three-dimensional potential-density pairs without singularities. The potentials of the thin bent bars are also used to generate non-axisymmetric planar distributions of matter.
Subject: galaxies: kinematics and dynamics
Country: EUA
Editor: Wiley-blackwell
Rights: aberto
Identifier DOI: 10.1111/j.1365-2966.2010.17857.x
Date Issue: 2011
Appears in Collections:Unicamp - Artigos e Outros Documentos

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