Zobrazeno 1 - 10
of 211
pro vyhledávání: '"Burkhard Fricke"'
Publikováno v:
International Journal of Quantum Chemistry. 120
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::88925d01a4ae6d105b0491076d05fdad
https://doi.org/10.1002/qua.26422
https://doi.org/10.1002/qua.26422
Autor:
Burkhard Fricke, Malkhaz Jabua, Detlev Gotta, Christian Weidemann, Thomas Strauch, Khalid Rashid
Publikováno v:
Spectrochimica Acta Part B: Atomic Spectroscopy. 121:11-17
K α X-ray emission spectra of manganese compounds have been measured using an ultimate-resolution Bragg spectrometer optimised for long-term high-statistics measurements. Energies corresponding to the peak positions of the K α lines were measured t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1e4125448d99eab9f18eb81bb1911970
https://doi.org/10.1016/j.sab.2016.04.006
https://doi.org/10.1016/j.sab.2016.04.006
Publikováno v:
Chemical Physics Letters. 644:142-146
The lowest s ⿿ s line shifts of the alkali atoms Li and Na attached to 4He nanodroplets have been estimated using ab initio quantum chemical methods with a physically viable cluster model of alkali atom (Li/Na) on the surface of helium atoms. First
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f34f08286baf6baf4500459bcdf83267
https://doi.org/10.1016/j.cplett.2015.11.002
https://doi.org/10.1016/j.cplett.2015.11.002
Publikováno v:
Physics Letters A. 384:126115
Frequency dependent dipole hyperpolarizability of hydrogen atom confined under classical plasma is estimated using nonlinear response theory under a monochromatic electromagnetic field. The screened Coulomb potential is used to model the classical pl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::72ff5041e3da8408bf1e632f9f6e876a
https://doi.org/10.1016/j.physleta.2019.126115
https://doi.org/10.1016/j.physleta.2019.126115
Publikováno v:
The European Physical Journal D. 70
Using time dependent coupled Hartree-Fock(TDCHF) theory, we estimate structural properties such as total energy, ionisation potential, static and dynamic polarizabilities, oscillator strengths and transition probabilities for the first three dipolar
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5d4ee07904494f329b79c008e9ca7e50
https://doi.org/10.1140/epjd/e2016-70346-7
https://doi.org/10.1140/epjd/e2016-70346-7
Autor:
Burkhard Fricke, Prajna Mukherjee
Publikováno v:
Physics Letters A. 375:2720-2724
Laser induced fluorescence experiments indicate change of spectral line profiles of atoms and molecules compared to the free system when embedded under liquid helium. Based on relativistic density functional approach a model has been proposed here to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::98dd3e23ef57a9b25e66d5f890107a01
https://doi.org/10.1016/j.physleta.2011.06.005
https://doi.org/10.1016/j.physleta.2011.06.005
Publikováno v:
The European Physical Journal D. 62:205-211
Systematic analysis of the effect of Debye plasma on the hyperpolarizability of spherically confined hydrogen atom has been studied in detail for the first time to understand the behavior of non linear optical properties of atoms under such confineme
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14274f6236d0bc0bb06de509ea171209
https://doi.org/10.1140/epjd/e2011-10668-4
https://doi.org/10.1140/epjd/e2011-10668-4
Publikováno v:
The European Physical Journal D. 55:645-652
Spectral line positions for the highly stripped helium like carbon, aluminium and argon embedded in intense plasma environments have been calculated theoretically to compare with the existing data available from laser plasma experiments. The changes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a29cd0b85cae8009ea771dc5e7b33522
https://doi.org/10.1140/epjd/e2009-00258-6
https://doi.org/10.1140/epjd/e2009-00258-6
Autor:
Burkhard Fricke
Publikováno v:
International Journal of Quantum Chemistry. 6:43-46
The atomic physics of a hydrogen-like atom is still an interesting field. With this simplest of all possible atomic systems, one gets (besides many other quantities) information about the fundamental question : What is the "true" interaction between
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c149057a11541386565c05b3fda447b
https://doi.org/10.1002/qua.560060606
https://doi.org/10.1002/qua.560060606
Publikováno v:
Science in China Series G: Physics, Mechanics and Astronomy. 50:707-715
A super heavy element Uub (Z = 112) has been studied theoretically in conjunction with relativistic effects and the effects of electron correlations. The atomic structure and the oscillator strengths of low-lying levels have been calculated, and the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9081cb2adfcec245c3aafcecdcafd8d
https://doi.org/10.1007/s11433-007-0073-3
https://doi.org/10.1007/s11433-007-0073-3