Abstract:
We analyze the angular momentum distribution of electrons near threshold in atomic ionization by short laser pulses. The radial fanlike pattern in the two-dimensional momentum distribution observed in experiments is controlled by the dominance of a few angular momenta of the order l0. We find a semiclassical expression for l0 strongly dependent on the quiver amplitude of the detached electron but independent of the atomic species. The value of l0 can be also related to the minimum number of absorbed photons needed to reach the threshold. The strongly peaked sub-Poissonian angular distribution precludes a description by a stochastic random walk model in angular momentum. © 2008 The American Physical Society.
Registro:
Documento: |
Artículo
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Título: | Sub-Poissonian angular momentum distribution near threshold in atomic ionization by short laser pulses |
Autor: | Arbó, D.G.; Dimitriou, K.I.; Persson, E.; Burgdörfer, J. |
Filiación: | Institute for Theoretical Physics, Vienna University of Technology, Wiedner Hauptstraße 8-10/136, A-1040 Vienna, Austria Institute for Astronomy and Space Physics, IAFE, CC 67, Suc. 28, (1428) Buenos Aires, Argentina Physics Department, Faculty of Applied Mathematics and Physics, National Technical University, Athens, Greece Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, Athens, Greece
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Palabras clave: | Angular momentum; Atomic physics; Atoms; Ionization; Laser beams; Laser fusion; Laser pulses; Lasers; Measurement theory; Pulsed laser applications; Pulsed laser deposition; Stochastic models; Two dimensional; Absorbed photons; American Physical Society (APS); Angular momentum distribution; Atomic ionizations; Atomic species; Momentum distributions; Random walk modeling; Semiclassical (SC); Short laser pulses; Sub Poissonian; Two-dimensional (2D); Angular distribution |
Año: | 2008
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Volumen: | 78
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Número: | 1
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DOI: |
http://dx.doi.org/10.1103/PhysRevA.78.013406 |
Título revista: | Physical Review A - Atomic, Molecular, and Optical Physics
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Título revista abreviado: | Phys Rev A
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ISSN: | 10502947
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CODEN: | PLRAA
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_10502947_v78_n1_p_Arbo |
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Citas:
---------- APA ----------
Arbó, D.G., Dimitriou, K.I., Persson, E. & Burgdörfer, J.
(2008)
. Sub-Poissonian angular momentum distribution near threshold in atomic ionization by short laser pulses. Physical Review A - Atomic, Molecular, and Optical Physics, 78(1).
http://dx.doi.org/10.1103/PhysRevA.78.013406---------- CHICAGO ----------
Arbó, D.G., Dimitriou, K.I., Persson, E., Burgdörfer, J.
"Sub-Poissonian angular momentum distribution near threshold in atomic ionization by short laser pulses"
. Physical Review A - Atomic, Molecular, and Optical Physics 78, no. 1
(2008).
http://dx.doi.org/10.1103/PhysRevA.78.013406---------- MLA ----------
Arbó, D.G., Dimitriou, K.I., Persson, E., Burgdörfer, J.
"Sub-Poissonian angular momentum distribution near threshold in atomic ionization by short laser pulses"
. Physical Review A - Atomic, Molecular, and Optical Physics, vol. 78, no. 1, 2008.
http://dx.doi.org/10.1103/PhysRevA.78.013406---------- VANCOUVER ----------
Arbó, D.G., Dimitriou, K.I., Persson, E., Burgdörfer, J. Sub-Poissonian angular momentum distribution near threshold in atomic ionization by short laser pulses. Phys Rev A. 2008;78(1).
http://dx.doi.org/10.1103/PhysRevA.78.013406