arXiv:nucl-th/0410047·v1·Nuclear Theory
Phase Diagram of the Proton-Neutron Interacting Boson Model
J.M. Arias🇪🇸 · J.E. Garcia-Ramos🇪🇸 · J. Dukelsky🇪🇸
Abstract
We study the phase diagram of the proton--neutron interacting boson model (IBM--2) with special emphasis on the phase transitions leading to triaxial phases. The existence of a new critical point between spherical and triaxial shapes is reported.
Comments: Accepted in PRL. 4 pages, 5 figures