2021
DOI: 10.1088/1742-6596/1932/1/012004
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Investigation of the dependence of multiple recollision on laser wavelength in the nonsequential double ionization process

Abstract: This paper investigates the recollision dynamics of the nonsequential double ionization process induced by linearly polarized laser pulses with the three-dimensional classical ensemble model. The results show that the correlated two-electron momentum distribution is contaminated by the double recollision events for sufficiently short laser wavelength. When the laser wavelength increases from near-infrared to mid-infrared, the single-recollision events are more prominent than the double-recollision one. Moreove… Show more

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Cited by 3 publications
(4 citation statements)
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“…Although one-dimensional (1D) solutions cannot account for all the involved effects, the present study demonstrates that these solutions can accurately describe NSDI in helium atoms and reproduce the observed knee structure in experiments [27]. Truong et al [30] believed that TDSE, despite its computational demands, cannot accurately track the physical propagation of ionized electrons. Therefore, they utilized a classical ensemble model with an Ar atom and a Coulomb potential (a 1.5 = ) to obtain a knee structure within an intensity range of / I 4.0 10 W cm = The knee structure has been investigated in numerical simulations using various techniques, including classical ensembles [30][31][32], S-matrix [33,34], and the numerical solutions of the one-dimensional timedependent Schrödinger equation (TDSE) [35,36].…”
Section: Introductionmentioning
confidence: 77%
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“…Although one-dimensional (1D) solutions cannot account for all the involved effects, the present study demonstrates that these solutions can accurately describe NSDI in helium atoms and reproduce the observed knee structure in experiments [27]. Truong et al [30] believed that TDSE, despite its computational demands, cannot accurately track the physical propagation of ionized electrons. Therefore, they utilized a classical ensemble model with an Ar atom and a Coulomb potential (a 1.5 = ) to obtain a knee structure within an intensity range of / I 4.0 10 W cm = The knee structure has been investigated in numerical simulations using various techniques, including classical ensembles [30][31][32], S-matrix [33,34], and the numerical solutions of the one-dimensional timedependent Schrödinger equation (TDSE) [35,36].…”
Section: Introductionmentioning
confidence: 77%
“…Truong et al [30] believed that TDSE, despite its computational demands, cannot accurately track the physical propagation of ionized electrons. Therefore, they utilized a classical ensemble model with an Ar atom and a Coulomb potential (a 1.5 = ) to obtain a knee structure within an intensity range of / I 4.0 10 W cm = The knee structure has been investigated in numerical simulations using various techniques, including classical ensembles [30][31][32], S-matrix [33,34], and the numerical solutions of the one-dimensional timedependent Schrödinger equation (TDSE) [35,36]. A more detailed discussion on this topic can be found in [37].…”
Section: Introductionmentioning
confidence: 99%
“…Double ionization has been observed in experimental studies [16][17][18][19] and modeled with the theory. Various models are employed to explain non-sequential double ionization, including the classical ensemble [20][21][22][23][24][25], S-matrix [26,27], quantitative re-scattering (QRS) model [28,29], and the solution of the time-dependent Schrödinger equation (TDSE). Out of these models, the numerical solution of TDSE is widely regarded as being more accurate [30][31][32].…”
Section: Introductionmentioning
confidence: 99%
“…The knee structure has been simulated in numerical works, using classical ensemble [34][35][36][37][38], S-matrix [39,40] and numerical solution of 1D TDSE [41,42]. In this work, we present a full quantum mechanical approach for a He atom with two interacting electrons under the radiations of femtosecond laser pulses with various intensities.…”
Section: Introductionmentioning
confidence: 99%