Phase structure of a two-fluid bosonic system |
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Authors: | MA Caprio F Iachello |
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Institution: | Center for Theoretical Physics, Sloane Physics Laboratory, Yale University, New Haven, CT 06520-8120, USA |
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Abstract: | The phase diagram of a two-fluid bosonic system is investigated. The proton-neutron interacting boson model (IBM-2) 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 triaxial phases are determined, and the evolution of classical equilibrium properties across these transitions is investigated. Spectroscopic observables are considered in relation to the phase diagram. |
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Keywords: | 21 60 Fw 21 60 Ev 21 10 Re |
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