Search Results - "Emmanouilidou, Agapi"
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Auger cascades leading to higher charged states in xenon driven by an X-ray free-electron-laser pulse
Published in The European physical journal. D, Atomic, molecular, and optical physics (01-05-2020)“…We study the interaction of xenon with an 850 eV photon energy FEL pulse. We compute single-photon ionisation cross sections and Auger rates by adopting to…”
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2
Initial state dependence in multielectron threshold ionization of atoms
Published in Physical review letters (15-02-2008)“…It is shown that the geometry of multielectron threshold ionization in atoms depends on the initial configuration of bound electrons. The reason for this…”
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3
Potential Energy Curves of Molecular Nitrogen for Singly and Doubly Ionized States with Core and Valence Holes
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (16-09-2021)“…Theoretical description of potential energy curves (PECs) of molecular ions is essential for interpretation and prediction of coupled electron-nuclear dynamics…”
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4
Attosecond delays in X-ray molecular ionization
Published in Nature (London) (22-08-2024)“…The photoelectric effect is not truly instantaneous but exhibits attosecond delays that can reveal complex molecular dynamics 1 – 7 . Sub-femtosecond-duration…”
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5
Attosecond-time-scale multielectron collisions in the Coulomb four-body problem: Traces in classical probability densities
Published in Physical review. A, Atomic, molecular, and optical physics (15-02-2007)“…In the triple ionization of the Li ground state by single photon absorption the three electrons escape to the continuum mainly through two collision sequences…”
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6
Potential energy curves of molecular nitrogen up to $N_2^{4+}
Published 18-07-2023“…The potential energy curves for molecular ions up to $N_2^{4+}$ are calculated in an ab initio manner using the multi configurational self-consistent field…”
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7
A general model and toolkit for the ionization of three or more electrons in strongly driven molecules using an effective Coulomb potential for the interaction between bound electrons
Published 29-11-2023“…We formulate a general three-dimensional semiclassical model for the study of correlated multielectron escape during fragmentation of molecules driven by…”
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8
Quantum versus semi-classical signatures of correlated triple ionization in Dalitz plots
Published 22-10-2024“…We investigate correlated three-electron escape in Ne when driven by an intense, infrared laser field. We do so by employing a reduced-dimensionality…”
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9
Double-energy-differential cross sections for the Coulomb four-body problem in a quasiclassical framework
Published in Physical review. A, Atomic, molecular, and optical physics (01-04-2007)Get full text
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10
Nondipole electron momentum offset as a probe of correlated three electron ionization in strongly driven atoms
Published 31-10-2022“…We employ a recently developed three-dimensional semiclassical model to identify nondipole effects in triple ionization of Ne driven by infrared laser pulses…”
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11
Total quadruple photoionization cross section of beryllium
Published in Physical review. A, Atomic, molecular, and optical physics (01-11-2007)“…In a quasiclassical framework, we formulate the quadruple ionization by single-photon absorption of the Coulomb five-body problem. We present the quadruple…”
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12
Formation of singly ionized oxygen atoms from O$_2$ driven by XUV pulses: a toolkit for the break-up of FEL-driven diatomics
Published 29-03-2024“…We formulate a general hybrid quantum-classical technique to describe the interaction of diatomic molecules with XUV pulses. We demonstrate the accuracy of our…”
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13
Singularity in electron-core potential as a gateway to accurate multi-electron ionization spectra in strongly driven atoms
Published 07-02-2023“…We demonstrate a general three-dimensional semiclassical model as a powerful technique for the study of correlated multi-electron escape in atoms driven by…”
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14
Electron stripping and reattachment at atomic centers using attosecond half-cycle pulses
Published in Physical review. A, Atomic, molecular, and optical physics (01-06-2008)Get full text
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15
Carbon monoxide interacting with free-electron-laser pulses
Published 24-04-2020“…We study the interaction of a heteronuclear diatomic molecule, carbon monoxide, with a free-electron laser (FEL) pulse. We compute the ion yields and the…”
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16
Enhancing frustrated double ionisation with no electronic correlation in triatomic molecules using counter-rotating two-color circular laser fields
Published 11-02-2020“…Phys. Rev. A 101, 033403 (2020) We demonstrate significant enhancement of frustrated double ionization (FDI) in the two-electron triatomic molecule D$_{3}^{+}$…”
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17
Pulse dependence of prevalent pathways in xenon driven by an x-ray free-electron-laser pulse
Published 23-08-2019“…We study the interaction of xenon with an 850 eV photon energy FEL pulse. We do so by employing a Monte-Carlo technique. We compute the single-photon…”
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18
Prevalence of different double ionization pathways and traces of three-body collisions in strongly driven Helium
Published 05-11-2010“…We present a unified treatment of the prevalence of different double ionization (DI) pathways as a function of the sum of the final electron energies in…”
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19
Fingerprints of slingshot non-sequential double ionization on two-electron probability distributions
Published 06-04-2019“…We study double ionization of He driven by a near-single-cycle laser pulse at low intensities at 400 nm. Using a three-dimensional semiclassical model, we…”
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Signatures of magnetic field effects in non-sequential double ionization manifesting as back-scattering for molecules versus forward-scattering for atoms
Published 11-12-2020“…Phys. Rev. A 103, 033115 (2021) For two-electron diatomic molecules, we investigate magnetic field effects in non-sequential double ionization where…”
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