Phys. Rev. Lett. 93, 242502 (2004) [4 pages]Phase Structure of the Two-Fluid Proton-Neutron SystemReceived 29 June 2004; published 10 December 2004 The phase structure of a two-fluid bosonic system is investigated. The proton-neutron interacting boson model possesses a rich phase structure involving three control parameters and multiple order parameters. The surfaces of quantum phase transition between spherical, axially symmetric deformed, and SUπν*(3) triaxial phases are determined. © 2004 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.93.242502
DOI:
10.1103/PhysRevLett.93.242502
PACS:
21.60.Fw, 21.60.Ev
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