A scalar two-level boson model to study the IBM phase diagram in the Casten triangle

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Scalar_two_level_boson.pdf (193.61 KB)

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2006-05-05

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Ciencias Integradas

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Center

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http://hdl.handle.net/10272/5459

Abstract

We introduce a simple two-level boson model with the same energy surface as the Q-consistent Interacting Boson Model Hamiltonian. The model can be diagonalized for large number of bosons and the results used to check analytical finite-size corrections to the energy gap and the order parameter in the critical region.

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Bosones; Boson model

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Bibliographic citation

Vidal, J.; Arias Carrasco, J.M., Dukelsky, J., García Ramos, J.E.: "A scalar two-level boson model to study the IBM phase diagram in the Casten triangle". Physical Review C. Vol. 73, n. 5 (2006). ISSN 0556-2813

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