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  • 63.20.-e  (1)
  • Atomic and molecular processes in external fields, including interactions with strong fields and short pulses  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Three-body interaction and phonon dispersion relations in aluminium (1994)
    Springer
    The European physical journal 95 (1994), S. 297-300 
    Details
    ISSN: 1434-6036
    Keywords: 63.20.Dj ; 63.20.-e ; 02.30.+g
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract Based on an ab initio cohesive energy calculation and a model of three-body interaction, the pair potential can be calculated using the Möbius inversion theorem in the theory of numbers. Then the atomic force constants and the phonon dispersion for A1 are evaluated both with and without three-body interaction. Compared with experiments, the results show that taking the three-body interaction into account considerably improves the dispersions. Contrary to previous work, the method for calculating the atomic force constants and phonon dispersions presented here is simple, with only two adjustable parameters.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01343956
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    Paper (German National Licenses)
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    Avoided level crossings in very highly charged ions (2016)
    American Physical Society (APS)
    Details
    Publication Date: 2016-05-14
    Description: Author(s): P. Beiersdorfer, J. H. Scofield, G. V. Brown, M. H. Chen, N. Hell, A. L. Osterheld, D. A. Vogel, and K. L. Wong We report a systematic measurement of the ( 2 p 1 / 2 − 1 3 d 3 / 2 ) J = 1 and ( 2 s 1 / 2 − 1 3 p 1 / 2 ) J = 1 levels in 14 neonlike ions between Ba 46 + and Pb 72 + and document the effects of their avoided crossing near Z = 68 . Strong mixing affects the oscillator strengths over a surprisingly wide range of atomic numbers and leads… [Phys. Rev. A 93, 051403(R)] Published Fri May 13, 2016
    Keywords: Atomic and molecular processes in external fields, including interactions with strong fields and short pulses
    Print ISSN: 1050-2947
    Electronic ISSN: 1094-1622
    Topics: Physics
    Published by American Physical Society (APS)
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