Disentangling phase transitions and critical points in the proton–neutron interacting boson model by catastrophe theory

García Ramos, José Enrique; Arias Carrasco, José Miguel; Dukelsky, J.

doi:10.1016/j.physletb.2014.07.038

Author

García Ramos, José Enrique ; Arias Carrasco, José Miguel; Dukelsky, J.
Publication Date

2014
Publisher

Elsevier
Citation

García Ramos, J.E., Arias Carrasco, J.M., Dukelsky, J.: "Disentangling phase transitions and critical points in the proton–neutron interacting boson model by catastrophe theory". Physics Letters B. Vol. 736, págs. 333–338, (2014).
Abstract

We introduce the basic concepts of catastrophe theory needed to derive analytically the phase diagram of the proton-neutron interacting boson model (IBM-2). Previous studies [1,2,3] were based on numerical solutions. We here explain the whole IBM-2 phase diagram including the precise order of the phase transitions in terms of the cusp catastrophe.
URI

http://hdl.handle.net/10272/10851
Project

info:eu-repo/grantAgreement/European Regional Development Fund (FEDER) [FIS2011-28738-C02-01, FIS2011-28738-C02-02, FIS2012-34479]
info:eu-repo/grantAgreement/Junta de Andalucia [FQM160, P11-FQM-7632, FQM318]

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Disentangling phase transitions and critical points in the proton–neutron interacting boson model by catastrophe theory

Author

García Ramos, José Enrique UHU Authority

; Arias Carrasco, José Miguel; Dukelsky, J.

Publication Date

2014

Publisher

Elsevier

Citation

García Ramos, J.E., Arias Carrasco, J.M., Dukelsky, J.: "Disentangling phase transitions and critical points in the proton–neutron interacting boson model by catastrophe theory". Physics Letters B. Vol. 736, págs. 333–338, (2014).

Abstract

We introduce the basic concepts of catastrophe theory needed to derive analytically the phase diagram of the proton-neutron interacting boson model (IBM-2). Previous studies [1,2,3] were based on numerical solutions. We here explain the whole IBM-2 phase diagram including the precise order of the phase transitions in terms of the cusp catastrophe.

URI

http://hdl.handle.net/10272/10851

Project

info:eu-repo/grantAgreement/European Regional Development Fund (FEDER) [FIS2011-28738-C02-01, FIS2011-28738-C02-02, FIS2012-34479]
info:eu-repo/grantAgreement/Junta de Andalucia [FQM160, P11-FQM-7632, FQM318]

Fichero	Tamaño	Formato	Ver	Description
Disentangling_phase_transitions.pdf	262.6Kb	PDF	View/Open	versión editor

Fichero	Tamaño	Formato	Ver	Description
Disentangling_phase_transitions.pdf	262.6Kb	PDF	View/Open	versión editor

This item appears in the following Collection(s)

DFA - Artículos