Frequency dependence of non-sequential double ionization

Chen, J; Kim, J H; Nam, Chang Hee

doi:10.1088/0953-4075/36/4/303

Cited by 20 publications

(19 citation statements)

References 43 publications

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“…Our results also showed that when the wavelength increases the yield begins to saturate and then decreases with wavelength. This behavior is in accordance with (CHEN et al, 2003, WIEHLE, 2005. In addition, our calculation clearly showed that when the ellipticity increases further value ionization yield significantly reduces.…”

Section: Resultssupporting

confidence: 89%

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Visualization of the ionization yields model of the noble atoms in an elliptically polarized laser field by using symbolic programming language

Delibašić¹,

Petrović²,

Petrović³

2019

Kragujevac J Science

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In this paper, we analyzed the influence of ponderomotive and Stark shifts on the ionization yield for krypton and xenon atoms for a monochromatic wave with elliptical polarization. A brief description of the dependence of the ionization yield on the field intensity and laser wavelength is given with respect on the pulse duration and the temporal laser beam distribution. In addition, we discussed the possibility of implementing Wolfram Research technologies as a tool for generating interactive graphs based on our theoretical results. The advantage of using such plots is reflected in the fact that all calculations can be done in real time, while input parameters are manipulated with adjustable sliders, and the graphical output can be obtained almost instantaneously.

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Section: Resultssupporting

confidence: 89%

“…Additionally, lines with different ellipticities coincide with each other in the short-wavelength regime. This fact can be explained using the mechanism used to describe the frequency dependence in (CHEN et al, 2003). Our results also showed that when the wavelength increases the yield begins to saturate and then decreases with wavelength.…”

Section: Resultssupporting

confidence: 58%

Visualization of the ionization yields model of the noble atoms in an elliptically polarized laser field by using symbolic programming language

Delibašić¹,

Petrović²,

Petrović³

2019

Kragujevac J Science

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“…The general behavior of the wavelength dependence is not modified much: the ratios first increase, reach a peak, and then drop with increasing wavelength. This kind of wavelength dependence of the NSDI process has been reported both for linearly and elliptically polarized laser fields in Ref [23]. As shown in Fig.…”

Section: Resultssupporting

confidence: 80%

“…And, according to the analysis in Ref. [23], in a longwavelength regime, the diffusion effect may play a dominant role. So the NSDI is suppressed for a long wavelength after taking into account nonzero initial longitudinal velocity.…”

Section: Resultsmentioning

confidence: 96%

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Effect of the electron initial longitudinal velocity on the nonsequential double-ionization process

Hao¹,

Li²,

Liu³

et al. 2011

Phys. Rev. A

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The effect of initial longitudinal velocity of the first tunneling electron on the nonsequential double-ionization (NSDI) process is studied using a semiclassical model. Our analysis shows that nonzero initial longitudinal velocity affects two distinct typical trajectories [single-return collision (SRC) and multiple-return collision (MRC)] in the NSDI process in different ways: for SRC, the yield in the center part of the correlation momentum distribution is reduced; for MRC, the tunneling time of the first electron is apparently delayed. In comparison with the case of zero initial longitudinal velocity, the double ionization is suppressed for a long wavelength, and a better agreement with the experimentally observed electron correlation distribution is achieved when the nonzero initial longitudinal velocity is taken into account.

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Nonlinear Dynamics of Recollisions in the Double Ionization Processes of Atoms in Strong Fields

Mauger

Chandre

Uzer

2010

AIP Conference Proceedings

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Double ionization processes triggered by intense linearly polarized laser fields have revealed the paramount role of electron-electron collisions. It has been shown [1] that the correlated dynamics of such electronic collisions can be modeled by a two dimensional symplectic map which captures the bare essentials of the energy exchange processes occurring during a recollision between the two electrons. We investigate linear and nonlinear properties of this map and connect them to the dynamical organization of phase space and related statistical data.• If the inner electron is sufficiently far away from the nucleus (in a region referred as the unbound area), the laser excitation imposes the dynamics and the electron ionizes quickly. • If the inner electron is sufficiently close to the nucleus (in a region referred as the bound area), it is trapped on an invariant torus and has no chance to ionize by itself.

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Frequency dependence of non-sequential double ionization

Cited by 20 publications

References 43 publications

Visualization of the ionization yields model of the noble atoms in an elliptically polarized laser field by using symbolic programming language

Visualization of the ionization yields model of the noble atoms in an elliptically polarized laser field by using symbolic programming language

Effect of the electron initial longitudinal velocity on the nonsequential double-ionization process

Nonlinear Dynamics of Recollisions in the Double Ionization Processes of Atoms in Strong Fields

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