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arxiv: nucl-th/0411015 · v2 · submitted 2004-11-03 · ⚛️ nucl-th

Phase structure of the two-fluid proton-neutron system

classification ⚛️ nucl-th
keywords phasestructureparametersproton-neutronsystemtwo-fluidaxially-symmetricboson
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The phase structure of a two-fluid bosonic system is investigated. The proton-neutron interacting boson model (IBM-2) posesses a rich phase structure involving three control parameters and multiple order parameters. The surfaces of quantum phase transition between spherical, axially-symmetric deformed, and SU*(3) triaxial phases are determined.

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