An eikonal approach for the atomic photoelectric effect on H-like atoms
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| Formato: | Artículo científico |
| Lenguaje: | en |
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Sociedad Mexicana de Física A.C.
2004
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| _version_ | 1876487138083602432 |
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| author | S. Otranto |
| author_facet | S. Otranto |
| contents | An eikonal approach for the atomic photoelectric effect on H-like atoms S. Otranto G. Gasaneo E. D. Alberdi Física, Astronomía y Matemáticas Photoionization Coulomb wave functions Most quantum mechanics textbooks introduce the atomic photoelectric effect expressing the final continuum state in the high energy limit asa plane wave. This approximation has shown to give clear differences between gauges though. In this work, we show that an approximationbased on the asymptotic limit of the exact wave function for the final state leads to better results whether form of the interaction Hamiltonianis used as the photon energy increases. This asymptotic eikonal approximation leads to the exact result in velocity gauge for increasingphoton energies, evidencing the relevance of the Coulomb potential even at large distances. 2004 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57063106 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.En1 Vol.50 |
| format | Artículo científico |
| id | redalyc_57063106 |
| institution | Redalyc |
| language | en |
| publishDate | 2004 |
| publisher | Sociedad Mexicana de Física A.C. |
| spellingShingle | An eikonal approach for the atomic photoelectric effect on H-like atoms S. Otranto Física, Astronomía y Matemáticas Photoionization Coulomb wave functions An eikonal approach for the atomic photoelectric effect on H-like atoms S. Otranto G. Gasaneo E. D. Alberdi Física, Astronomía y Matemáticas Photoionization Coulomb wave functions Most quantum mechanics textbooks introduce the atomic photoelectric effect expressing the final continuum state in the high energy limit asa plane wave. This approximation has shown to give clear differences between gauges though. In this work, we show that an approximationbased on the asymptotic limit of the exact wave function for the final state leads to better results whether form of the interaction Hamiltonianis used as the photon energy increases. This asymptotic eikonal approximation leads to the exact result in velocity gauge for increasingphoton energies, evidencing the relevance of the Coulomb potential even at large distances. 2004 artículo científico 0035-001X https://www.redalyc.org/articulo.oa?id=57063106 en http://www.redalyc.org/revista.oa?id=570 Revista Mexicana de Física application/pdf Sociedad Mexicana de Física A.C. Revista Mexicana de Física (México) Num.En1 Vol.50 |
| title | An eikonal approach for the atomic photoelectric effect on H-like atoms |
| topic | Física, Astronomía y Matemáticas Photoionization Coulomb wave functions |
| url | https://www.redalyc.org/articulo.oa?id=57063106 |