Shape Phase Transition of the Axially Symmetric States Between the U(5) and SU(3) Symmetries

2005/05/06 by Liang-zhu Mu, Liang-Zhu Mu, Mu, Liang-zhu +2
Chemistry · Physics and Astronomy · #Advanced NMR Techniques and Applications #Chemical Thermodynamics and Molecular Structure #FOS: Physical sciences #Nuclear Theory (nucl-th) #Nuclear physics research studies #nucl-th

paper · pdf · doi:10.48550/arxiv.nucl-th/0505018

14 pages, 6 figures

openalex publication_date 2005/05/06 · arxiv created 2005/07/08 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

The shape phase structure and its transition of the nucleus in the transitional region between the U(5) and SU(3) symmetries is restudied within the framework of coherent-state theory with angular momentum projection in IBM-1. The certain angular momentum (or rotation-driven) effect on the nuclear shape is discussed. A coexistence of prolate and oblate shapes is found for the ground states of the transitional nuclei. A phase diagram in terms of the deformation parameter and angular momentum is given.

Related

• Approach to Vibrational to Axially Rotational Shape Phase Transition Along the Yrast Line
• Double shape quantum phase transitions in the SU3-IBM: new γ-soft phase and the shape phase transition from the new γ-soft phase to the prolate shape
• Nuclear shape phase transitions within a correlation between two quantum concepts
• Critical Point Symmetries in Nuclei
• Shape/Phase Transitions and Critical Point Symmetries in Atomic Nuclei