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Integrability and Quantum Phase Transitions in Interacting Boson Models

arXiv:nucl-th/0310031 · doi:10.1142/9789812702760_0019

Abstract

The exact solution of the boson pairing hamiltonian given by Richardson in the sixties is used to study the phenomena of level crossings and quantum phase transitions in the integrable regions of the sd and sdg interacting boson models.

5 pages, 5 fig. Erice Conference