Some equivalences between the auxiliary field method and the envelope theory

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The auxiliary field method has been recently proposed as an efficient technique to compute analytical approximate solutions of eigenequations in quantum mechanics. We show that the auxiliary field method is completely equivalent to the envelope theory, which is another well-known procedure to analytically solve eigenequations, although relying on different principles \textit{a priori}. This equivalence leads to a deeper understanding of both frameworks.
v2 to appear in J. Math. Phys

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Quantum Physics, Mathematical Physics

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http://salesiana.dossiersoluciones.com/handle/123456789/224008

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0811.0748
 http://arxiv.org/abs/0811.0748
 J. Math. Phys. 50, 032102 (2009)
 doi:10.1063/1.3087424

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arXiv