Počet záznamů: 1

Transition from gamma-rigid to gamma-soft dynamics in the interacting boson model: Quasicriticality and quasidynamical symmetry

  1. 1.
    0331696 - UJF-V 2010 RIV US eng J - Článek v odborném periodiku
    Macek, M. - Dobeš, Jan - Cejnar, P.
    Transition from gamma-rigid to gamma-soft dynamics in the interacting boson model: Quasicriticality and quasidynamical symmetry.
    [Přechod od gama -pevné ke gama-měkké dynamice v modelu interagujících bonusů: Kvazikritičnost a kvazidynamická symetrie.]
    Physical Review. C. Roč. 80, č. 1 (2009), 014319/1-014319/15 ISSN 0556-2813
    Grant CEP: GA ČR GA202/06/0363; GA ČR GA202/09/0084
    Výzkumný záměr: CEZ:AV0Z10480505
    Klíčová slova: NUCLEAR COLLECTIVE MODELS * PHASE-TRANSITIONS * CHAOTIC PROPERTIES
    Kód oboru RIV: BE - Teoretická fyzika
    Impakt faktor: 3.477, rok: 2009

    We study the transition from the gamma-rigid to gamma-soft collective nuclear dynamics across the Casten triangle of the interacting boson model using mean-field techniques and confront the description with the exact diagonalization. We inspect the domain of validity of the SU(3) quasidynamical symmetry inside the Casten triangle and reveal critical behavior within the low-lying excited spectrum due to a degeneracy of beta and gamma vibrations.
    Trvalý link: http://hdl.handle.net/11104/0177145