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  • Computational Chemistry and Molecular Modeling  (6)
  • 32.70.Cs  (4)
  • 1
    Electronic Resource
    Electronic Resource
    Triplet-triplet transitions in zinc-like ions (1994)
    Springer
    The European physical journal 30 (1994), S. 279-284 
    Details
    ISSN: 1434-6079
    Keywords: 32.70.Cs ; 32.30.−r ; 32.80.−t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Theoretical oscillator strengths are reported for the lines of the 4s4p 3 P-4s4d 3 D transition in some ions of the zinc isoelectronic sequence, which are of interest in fusion plasma research. The calculations have been performed with the relativistic quantum defect orbital (RQDO) method. A core-polarization to the dipole transitions moment has also been included in the formalism. A comparative study with other theoretical results and the scarce experimental measurements has also been carried out. Systematic trends of individual oscillator strengths along the isoelectronic sequence are also shown in a graphical form.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01426392
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  • 2
    Electronic Resource
    Electronic Resource
    Relativistic oscillator strengths for transitions in the principal spectral series of the silver isoelectronic sequence (1995)
    Springer
    The European physical journal 35 (1995), S. 239-246 
    Details
    ISSN: 1434-6079
    Keywords: 32.70.Cs ; 32.30.-r ; 32.80.-t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In a very recent paper [1] we have reported oscillator strengths for fine structure transitions between levels belonging to the diffuse and sharp spectral series in the silver isoelectronic sequence. The calculations were performed with the quantum defect orbital method in both their non-relativistic (QDO) and relativistic (RQDO) formulations, with both implicit and explicit allowance for core-valence polarisation. We now present a parallel study of transitions belonging to thens 2 S−n′2 P(n=5, 6;n′=5−10) spectral series of the AgI sequence, up toZ=63 in some cases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01745526
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  • 3
    Electronic Resource
    Electronic Resource
    Isoelectronic smoothing of energy levels and calculations on the 2sns 1 S→2smp 1 P 0 transitions in the beryllium isoelectronic sequence (1994)
    Springer
    The European physical journal 32 (1994), S. 179-185 
    Details
    ISSN: 1434-6079
    Keywords: 32.70.Cs ; 32.30.−r ; 32.80.−t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Oscillator strengths for 2sns 1 S→2smp 1 P 0 transitions of several ions in the beryllium isoelectronic sequence (BeI- CrXXI) have been computed and analyzed. The quantum defect orbital method, including core-polarization effects through an effective dipole-moment transition operator, has been followed. Comparisons are made between various theoretical and experimental data and those predicted here. It is shown that the quantum defect orbital formalism adequately describes transitions in these atomic systems.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437145
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  • 4
    Electronic Resource
    Electronic Resource
    Relativistic oscillator strengths for excited state transitions in some ions of the silver isoelectronic sequence (1995)
    Springer
    The European physical journal 34 (1995), S. 143-149 
    Details
    ISSN: 1434-6079
    Keywords: 32.70.Cs ; 32.30.−r ; 32.80.−t
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The relativistic quantum defect orbital method has been applied to the study of fine structure 5p 2 P-nd 2 D and 5p 2 P-ns 2 S (n≥5) transitions (some of them involving highly excited upper levels) in the silver isoelectronic sequence. The resulting oscillator strengths are analyzed in terms of other relativistic results and some available experimental data.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01437682
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  • 5
    Electronic Resource
    Electronic Resource
    Relativistic quantum defect orbital calculations of singlet-singlet transitions in the zinc and cadmium isoelectronic sequences (1993)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 48 (1993), S. 385-397 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Relativistic quantum defect orbital (RQDO) calculations, with and without explicit account for corevalence correlation, have been performed on several electron transitions in the zinc and cadmium isoelectronic sequences, which are of interest in astrophysics and fusion plasma research. A comparative study with other theoretical results and experimental measurements has also been carried out. © 1993 John Wiley & Sons, Inc.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560480839
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  • 6
    Electronic Resource
    Electronic Resource
    Relativistic quantum defect calculations on the copper isoelectronic sequence (1994)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 50 (1994), S. 411-428 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The quantum defect orbital (QDO) method and its relativistic (RQDO) counterpart have been employed in this work to compute oscillator strengths for several fine-structure transitions in members of the copper isoelectronic sequence up to Z = 92. The RQDO results are found to be in quite good agreement with the best estimates derived from other sources, whenever the comparison is possible. © 1994 John Wiley & Sons, Inc.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560500605
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  • 7
    Electronic Resource
    Electronic Resource
    Quantum defect orbital study of electron transitions in rydberg molecules. I. Triatomic hydrogen (1993)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 48 (1993), S. 723-729 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Results of a pilot study on the applicability of the quantum defect orbital method for describing electronic transitions between molecular Rydberg states are reported. Oscillator strengths and Einstein emission coefficients for the triatomic hydrogen molecule have been calculated. The results are in good agreement with the data derived from more sophisticated theoretical approaches. © 1993 John Wiley & Sons, Inc.
    Additional Material: 3 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560480864
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  • 8
    Electronic Resource
    Electronic Resource
    Fine-structure oscillator strengths for excited-state transitions in Cu-like ions (1992)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 44 (1992), S. 465-474 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Transitions originating from excited states in copper-like ions have been studied. Fine-structure oscillator strengths obtained with both the quantum defect orbital (QDO) and its relativistic (RQDO) counterpart are reported for 4p 2P - nd 2D (n = 5, 6), 5p 2P - nd 2D (n = 5, 6), and np 2P - 6s 2S (n = 4, 5 ) absorption transitions. © 1992 John Wiley & Sons, Inc.
    Additional Material: 4 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560440842
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  • 9
    Electronic Resource
    Electronic Resource
    Electronic transitions in the Rydberg radical H3O (1995)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 56 (1995), S. 631-638 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: Oscillator strengths and Einstein emission coefficients for electronic transitions in the Rydberg molecule H3O are reported. The calculations have been performed with the Quantum Defect Orbital (QDO) method, and the results are compared with those of an ab initio procedure. © 1995 John Wiley & Sons, Inc.
    Additional Material: 5 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560560869
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  • 10
    Electronic Resource
    Electronic Resource
    Study of the diffuse spectral series of boron-like atomic systems (1992)
    New York, NY : Wiley-Blackwell
    International Journal of Quantum Chemistry 44 (1992), S. 455-464 
    Details
    ISSN: 0020-7608
    Keywords: Computational Chemistry and Molecular Modeling ; Atomic, Molecular and Optical Physics
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Notes: The diffuse spectral series, 2s2np2 P-2s2nd2D, of the boron isoelectronic sequence has been studied through a one-particle scheme, by explicitly treating only the active electron. Oscillator strengths for various transitions (n = 2,3; n´ = 3-16) have been computed with the quantum defect and relativistic quantum defect formalisms, and results comparing very satisfactorily with other theoretical data have been obtained. © 1992 John Wiley & Sons, Inc.
    Additional Material: 6 Tab.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/qua.560440841
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