Mathematical Physics
Generalized infinite-dimensional Fresnel integrals
[Intégrales de Fresnel en dimension infinie]
Comptes Rendus. Mathématique, Tome 338 (2004) no. 3, pp. 255-259.

Un concept d'intégrale oscillatoire généralisée en dimension infinie, avec une fonction de phase de croissance, polynomiale à l'infini, est introduit. L'intégrale est calculée explicitement en termes d'intégrales gaussiennes absolument convergentes. Les résultats sont appliqués à une representation de type « intégrale sur les chemins de Feynman » de la solution de l'équation de Schrödinger à potentiel anharmonique.

A generalized infinite dimensional oscillatory integral with a polynomially growing phase function is defined and explicitly computed in terms of an absolutely convergent Gaussian integral. The results are applied to the Feynman path integral representation for the solution of the Schrödinger equation with an anharmonic oscillator potential.

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Accepté le :
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DOI : 10.1016/j.crma.2003.11.022
Albeverio, Sergio 1, 2 ; Mazzucchi, Sonia 2

1 Institut für Angewandte Mathematik, Wegelerstr. 6, 53115 Bonn, Germany
2 Dipartimento di Matematica, Università di Trento, 38050 Povo, Italy
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Albeverio, Sergio; Mazzucchi, Sonia. Generalized infinite-dimensional Fresnel integrals. Comptes Rendus. Mathématique, Tome 338 (2004) no. 3, pp. 255-259. doi : 10.1016/j.crma.2003.11.022. http://www.numdam.org/articles/10.1016/j.crma.2003.11.022/

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