Microscopic derivation of the quadrupole collective Hamiltonian for shape coexistence/mixing dynamics
Assuming that the time-evolution of the self-consistent mean field is determined by five pairs of collective coordinate and collective momentum, we microscopically derive the collective Hamiltonian for low-frequency quadrupole modes of excitation. We show that the five-dimensional collective Schrödinger equation is capable of describing large-amplitude quadrupole shape dynamics seen as shape coexistence/mixing phenomena. We focus on basic ideas and recent advances of the approaches based on the time-dependent mean-field theory, but relations to other time-independent approaches are also briefly discussed.
Journal of Physics G Nuclear Physics
- Pub Date:
- February 2016
- Nuclear Theory
- 24 pages, 4 figures. Contribution to the Focus Issue of Journal of Physics G on "Shape Coexistence in Atomic Nuclei" edited by John Wood and Kris Heyde