An extended Lipkin-type model with resid
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S. Stoica; J. Suhonen; I. Mihut
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Article
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1997
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Elsevier Science
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English
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The Lipkin-Meshkov-Glick (LMG) model is extended to explicitly take into account the proton and neutron degrees of freedom. The proton and neutron Hamiltonians are taken to be of the LMG form, and, in addition, a residual proton-neutron interaction is included, Exact solutions in an SU(2) ยฎ SU(2) ba