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Revista Brasileira de Ensino de Física

Print version ISSN 1806-1117

Abstract

LARA, Lucas Stori de  and  CARMO, Taiza A. Sauer do. Application of the multiple scales method in physics. Rev. Bras. Ensino Fís. [online]. 2009, vol.31, n.4, pp.4701-4706. ISSN 1806-1117.  http://dx.doi.org/10.1590/S1806-11172009000400020.

In this work, we focus on a specific method of perturbation theory, the method of multiple scales. Developed in classical mechanics for the treatment of non-linear differential equations, this method is applied as a mathematical tool in the description of perturbative effects in several physical systems. Therefore, in order to exemplify this method, we apply it to the Duffing equation both in the classical and quantum contexts.

Keywords : métodos assintóticos; método das escalas múltiplas.

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