Quantum phase transitions in the interacting boson model: Integrability, level repulsion, and level crossing

Author/s	Arias Carrasco, José Miguel Dukelsky, Jorge García Ramos, José Enrique
Department	Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Publication Date	2003-10-17
Deposit Date	2017-07-20
Published in	Physical Review Letters, 91 (16), 162502-1-162502-4.
Abstract	We study the quantum phase transition mechanisms that arise in the interacting boson model. We show that the second-order nature of the phase transition from U(5) to O(6) may be attributed to quantum integrability, whereas ...
Funding agencies	Ministerio de Ciencia y Tecnología (MCYT). España
Project ID.	BFM2002-03315 BFM2000-1320-C02-02
Citation	Arias Carrasco, J.M., Dukelsky, J. y García Ramos, J.E. (2003). Quantum phase transitions in the interacting boson model: Integrability, level repulsion, and level crossing. Physical Review Letters, 91 (16), 162502-1-162502-4.