Feng Pan et al 2008 J. Phys. G: Nucl. Part. Phys. 35 125105 doi:10.1088/0954-3899/35/12/125105
Quantum phase transitions in the consistent-Q Hamiltonian of the interacting boson model
Feng Pan1,3, Tao Wang1,2, Y-S Huo1 and J P Draayer3
Show affiliationsQuantum phase transitional patterns in the whole parameter space of the consistent-Q Hamiltonian in the interacting boson model are studied based on an implemented Fortran code for the numerical computation of the matrix elements in the SU(3) Draayer–Akiyama basis. Results with respect to both ground and some excited states of the model Hamiltonian are discussed. Quantum phase transitional behavior in a variety of parameter situations is shown. It is found that transitional behavior of excited states is more complicated. Pt isotopes are taken as examples in illustrating the prolate–oblate shape phase transition.
- PACS
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27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
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- Dates
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Issue 12 (December 2008)
Received 15 June 2008
Published 3 October 2008
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Quantum phase transitions in the consistent-Q Hamiltonian of the interacting boson model
Feng Pan et al 2008 J. Phys. G: Nucl. Part. Phys. 35 125105
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