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arXiv · 0705.2544

Criticality in the configuration-mixed interacting boson model : (1) $U(5)-\hat{Q}(χ)\cdot\hat{Q}(χ)$ mixing

V. Hellemans·P. Van Isacker·S. De Baerdemacker·K. Heyde
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Abstract

The case of U(5)--$\hat{Q}(χ)\cdot\hat{Q}(χ)$ mixing in the configuration-mixed Interacting Boson Model is studied in its mean-field approximation. Phase diagrams with analytical and numerical solutions are constructed and discussed. Indications for first-order and second-order shape phase transitions can be obtained from binding energies and from critical exponents, respectively.

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V. Hellemans, P. Van Isacker, S. De Baerdemacker, K. Heyde. 2007-05-17. Criticality in the configuration-mixed interacting boson model : (1) $U(5)-\hat{Q}(χ)\cdot\hat{Q}(χ)$ mixing. https://doi.org/10.1016/j.nuclphysa.2007.04.003 10.1016/j.nuclphysa.2007.12.003

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