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Träfflista för sökning "WFRF:(Berg LM) srt2:(1998-1999)"

Sökning: WFRF:(Berg LM) > (1998-1999)

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1.
  • Andersson, LM, et al. (författare)
  • Vibrational wave packet dynamics in NaK : The A (1)Sigma(+) state
  • 1999
  • Ingår i: Chemical Physics. - 0301-0104 .- 1873-4421. ; 241:1, s. 43-54
  • Tidskriftsartikel (refereegranskat)abstract
    • A combined experimental and theoretical study of the vibrational wave packet dynamics for the NaK molecule in the A (1)Sigma(+) state is presented. The experiment utilises a 790 nm one-colour femtosecond pump-probe scheme with detection of a previously nor reported dissociation pathway of the 3 (1)Pi(+) state, leading to the Na(3p) + K(4s) product channel. The dissociation is suggested to proceed via either collisionally mediated processes or a molecular cascading process via the 4 (1)Sigma(+) state, which crosses several states correlating to the Na(3p) + K(4s) limit. Time-dependent quantum mechanical calculations are used for studying the dynamics in detail. Simulations are performed both for 790 nm and for 766 nm, to relate also to earlier studies. The previous interpretations of the probe processes are revised. Inclusion of vibrational and rotational temperature effects are shown to be crucial for explaining the shape of the signal and the vibrational period, and leads to excellent agreement with the experiments.
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2.
  • Berg, LM, et al. (författare)
  • The infinite island model with sex-differentiated gene flow
  • 1998
  • Ingår i: HEREDITY. - 0018-067X. ; 81, s. 63-68
  • Tidskriftsartikel (refereegranskat)abstract
    • Identity measures are derived for the infinite island model with separate sexes and sex-differentiated contribution to gene flow. The concept of effective migration rate, m(e), is introduced, which describes the genetically effective flow when sexes migra
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