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  • American Institute of Physics (AIP)  (3)
  • American Association of Petroleum Geologists (AAPG)
  • 1
    Electronic Resource
    Electronic Resource
    Asymmetry of Stark-broadened Lyman lines from laser-produced plasmas (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 2196-2196 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Three significant causes of spectral line asymmetry: the ion-quadrupole interaction, the quadratic Stark effect, and fine-structure splitting, are included in the calculation of Lyman line profiles emitted by highly ionized hydrogenic radiators in a dense, hot plasma. The line asymmetries are shown to be strongly dependent on the plasma density, indicating that the asymmetry may be of use as a density diagnostic. This work was supported by Lawrence Livermore National Laboratory under sub-contract #5962705.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1138731
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Escape factors for Stark-broadened line profiles (1986)
    [S.l.] : American Institute of Physics (AIP)
    Review of Scientific Instruments 57 (1986), S. 2196-2196 
    Details
    ISSN: 1089-7623
    Source: AIP Digital Archive
    Topics: Physics , Electrical Engineering, Measurement and Control Technology
    Notes: Escape factors for upper and lower limits to the source function appropriate for spherical geometry have been evaluated using a set of Stark-broadened line profiles, computed with different approximations, for the Ly-∝ line of Ar xviii. The method used to compute the escape factors, which is based on a general formalism, can be applied to any kind of line profile and is suitable for any geometry. The escape factor is expressed as an integral over the frequency of a functional of the line profile; hence our treatment highlights its dependence on the line profile. Comparisons are made with previous calculations that used Holtsmarkian line profiles and significant differences are noted. This work has been submitted for publication to J. Phys. B (London). This work was supported by the U.S. DOE Grant No. DEA508-833PP-40177.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.1139201
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    A uniqueness theorem for an inverse Sturm–Liouville problem (1987)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 28 (1987), S. 1471-1472 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: A new uniqueness theorem is established for the inverse Sturm–Liouville problem. It is shown that the measurement of a particular eigenvalue for an infinite set of different boundary conditions is sufficient to determine the unknown potential.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.527500
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