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  • PACS. 31.10.+z Theory of electronic structure, electronic transitions, and chemical binding - 31.30.Jv Relativistic and quantum electrodynamic effects in atoms and molecules - 32.70.Fw Absolute and relative intensities  (1)
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    Electronic Resource
    Electronic Resource
    Spontaneous relativistic two-photon decay rate mathematical expression in helium-like systems (2001)
    Springer
    The European physical journal 13 (2001), S. 27-31 
    Details
    ISSN: 1434-6079
    Keywords: PACS. 31.10.+z Theory of electronic structure, electronic transitions, and chemical binding - 31.30.Jv Relativistic and quantum electrodynamic effects in atoms and molecules - 32.70.Fw Absolute and relative intensities
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract: We derive a theoretical expression for the two-photon emission rate of two-electron systems, in a form suitable for easy implementation in numerical calculations. Racah algebra techniques were used to extended previous work on two-photon emission in hydrogen-like systems to more complex ones. The obtained expression is, as far as we are aware, the first general expression that gives the spontaneous two-photon decay rates of helium-like systems for any combination of multipoles.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s100530170283
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