Optical Absorption of Solid Krypton and Xenon in the Far Ultraviolet

Haensel, R.; Keitel, G.; Schreiber, Paul; Kunz, C.

doi:10.1103/physrev.188.1375

Cited by 191 publications

(55 citation statements)

References 28 publications

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“…In the following, a new avproach to the construction of vxe( rt) will be developed [13] which can be viewed as a time-dependent version of the so-called optimized potential method (OPM). The approach leads to Vxe as a function of (rt) rather than to Vxc as an explicit functional line: independent particle result (Hartree and exchange-correlation kernels neglected); crosses: experimental data from [86].…”

Section: (T) = E-w(t)w[n](t)mentioning

confidence: 99%

Density Functional Theory of Time-Dependent Systems

1995

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Section: (T) = E-w(t)w[n](t)mentioning

confidence: 99%

Density Functional Theory of Time-Dependent Systems

1995

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“…II are now applied to the detailed resonance structure of the xenon GDR that is probed by linear spectroscopy using linearly polarized XUV light [1,2,[11][12][13][14]. The calculations are done using our XCID package [70].…”

Section: A Computational Detailsmentioning

confidence: 99%

“…A considerable number of measurements have been performed for a precise characterization of the xenon photoabsorption spectrum in the XUV with perturbative light sources [11][12][13][14]. However, with the birth of various new source technologies, the old spectroscopic feature of the xenon GDR continues to enthrall state-of-the-art experimenters.…”

Section: Introductionmentioning

confidence: 99%

Theoretical characterization of the collective resonance states underlying the xenon giant dipole resonance

et al. 2015

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We present a detailed theoretical characterization of the two fundamental collective resonances underlying the xenon giant dipole resonance (GDR). This is achieved consistently by two complementary methods implemented within the framework of the configuration-interaction singles (CIS) theory. The first method accesses the resonance states by diagonalizing the many-electron Hamiltonian using the smooth exterior complex scaling technique. The second method involves a different application of the Gabor analysis to wave-packet dynamics. We identify one resonance at an excitation energy of 74 eV with a lifetime of 27 as and the second at 107 eV with a lifetime of 11 as. Our work provides a deeper understanding of the nature of the resonances associated with the GDR: a group of close-lying intrachannel resonances splits into two far-separated resonances through interchannel couplings involving the 4d electrons. The CIS approach allows a transparent interpretation of the two resonances as new collective modes. Due to the strong entanglement between the excited electron and the ionic core, the resonance wave functions are not dominated by any single particle-hole state. This gives rise to plasma-like collective oscillations of the 4d shell as a whole.

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“…The partial cross section of this channel has a broad maximum centered near 170 eV [10,11]. In xenon the threshold for the photodetachment from the 4d-shell is at 65 eV, the partial cross section of this channel has a pronounced maximum 30 eV above the threshold [11,12]. The experimental data for the total photoionization cross section of argon, krypton and xenon are presented in Figure 3 for energies up to 240 eV.…”

Section: Total Photo-ionization Cross Sectionmentioning

confidence: 97%

“…In Kr atoms at photon energy ω > 95 photoionization from the 3d-shell becomes significant. The partial cross section of this channel has a broad maximum centered near 170 eV [10,11]. In xenon the threshold for the photodetachment from the 4d-shell is at 65 eV, the partial cross section of this channel has a pronounced maximum 30 eV above the threshold [11,12].…”

Section: Total Photo-ionization Cross Sectionmentioning

confidence: 97%

Interaction of Atomic Clusters with Intense Attosecond Pulses

Gets

Крайнов

2011

Contrib. Plasma Phys.

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We consider the interaction between intense attosecond electromagnetic pulses and the Van der Waals atomic clusters. The important conclusion has been made that the cross section for scattering of soft x-ray by Xe clusters increases resonantly when the photon energy is of the order of 100-150 eV. This phenomenon is explained by resonance excitation of the giant resonance at the collection oscillations of Xe atomic 4d-shell.

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Optical Absorption of Solid Krypton and Xenon in the Far Ultraviolet

Cited by 191 publications

References 28 publications

Density Functional Theory of Time-Dependent Systems

Density Functional Theory of Time-Dependent Systems

Theoretical characterization of the collective resonance states underlying the xenon giant dipole resonance

Interaction of Atomic Clusters with Intense Attosecond Pulses

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