Dipole states in the deuteron, other exotic nuclei, and “Schrödinger’s Cat”
European Physical Journal A(2014)
摘要
The question whether the “soft giant dipole modes” in halo nuclei are resonances is discussed. It is argued that a resonance
picture of these modes can be envisaged with a non Breit-Wigner line shape. The dipole Coulomb breakup of the deuteron is
worked out as a specific example of such a picture. The “soft” and “hard” dipole modes of the more complex neutron-rich exotic
nuclei are treated from this point of view. An interpretation of the coherent production of these modes in Coulomb excitation
as a nuclear instance of Schrödinger cat state is advanced.
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关键词
24.10.−i, 24.30.−v, 27.10.+h, 27.20.+n
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