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Randazzo, J.M.; Mitnik, D.; Gasaneo, G.; Ancarani, L.U.; Colavecchia, F.D. "Double photoionization of helium: A generalized Sturmian approach" (2015) European Physical Journal D. 69(8)
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Abstract:

In this work we study the double photoionization of helium induced by low intensities laser fields in the regime where only one photon absorption occurs. The method proposed here is based on a Generalized Sturmian Functions (GSF) spectral approach which allows the imposition of outgoing boundary conditions for both ejected electrons. These, in turn, construct an hyperspherical flux characteristic of double continuum wave functions. We compare our calculated cross sections at 20 and 40 eV above threshold with absolute and relative measurements, and with other calculations. Our results definitively demonstrate the applicability of the GSF approach for dealing with break-up Coulomb problems. Graphical abstract: [Figure not available: see fulltext.] © 2015 EDP Sciences, SIF, Springer-Verlag Berlin Heidelberg.

Registro:

Documento: Artículo
Título:Double photoionization of helium: A generalized Sturmian approach
Autor:Randazzo, J.M.; Mitnik, D.; Gasaneo, G.; Ancarani, L.U.; Colavecchia, F.D.
Filiación:División Física Atómica, Molecular y Óptica, Centro Atómico Bariloche, 8400 S. C. de Bariloche, Río Negro, Argentina
Consejo Nacional de Investigaciones Científicas y Técnicas, CONICET, Argentina
Instituto de Astronomía y Física Del Espacio, FCEyN Universidad de Buenos Aires, Buenos Aires, Argentina
Departamento de Física, Universidad Nacional Del sur, 8000 Bahía Blanca, Buenos Aires, Argentina
Théorie, Modélisation, Simulation, SRSMC, UMR CNRS 7565, Université de Lorraine, Metz, 57078, France
Palabras clave:Atomic and Molecular Collisions
Año:2015
Volumen:69
Número:8
DOI: http://dx.doi.org/10.1140/epjd/e2015-60113-9
Título revista:European Physical Journal D
Título revista abreviado:Eur. Phys. J. D
ISSN:14346060
CODEN:EPJDF
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_14346060_v69_n8_p_Randazzo

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Citas:

---------- APA ----------
Randazzo, J.M., Mitnik, D., Gasaneo, G., Ancarani, L.U. & Colavecchia, F.D. (2015) . Double photoionization of helium: A generalized Sturmian approach. European Physical Journal D, 69(8).
http://dx.doi.org/10.1140/epjd/e2015-60113-9
---------- CHICAGO ----------
Randazzo, J.M., Mitnik, D., Gasaneo, G., Ancarani, L.U., Colavecchia, F.D. "Double photoionization of helium: A generalized Sturmian approach" . European Physical Journal D 69, no. 8 (2015).
http://dx.doi.org/10.1140/epjd/e2015-60113-9
---------- MLA ----------
Randazzo, J.M., Mitnik, D., Gasaneo, G., Ancarani, L.U., Colavecchia, F.D. "Double photoionization of helium: A generalized Sturmian approach" . European Physical Journal D, vol. 69, no. 8, 2015.
http://dx.doi.org/10.1140/epjd/e2015-60113-9
---------- VANCOUVER ----------
Randazzo, J.M., Mitnik, D., Gasaneo, G., Ancarani, L.U., Colavecchia, F.D. Double photoionization of helium: A generalized Sturmian approach. Eur. Phys. J. D. 2015;69(8).
http://dx.doi.org/10.1140/epjd/e2015-60113-9