An Alternative Description of the Prolate-Oblate Shape Phase Transition in the Interacting Boson Model

doi:10.1088/0256-307X/30/10/102101

Chin. Phys. Lett.

2013, Vol. 30

Issue (10): 102101 DOI: 10.1088/0256-307X/30/10/102101

NUCLEAR PHYSICS

An Alternative Description of the Prolate-Oblate Shape Phase Transition in the Interacting Boson Model

ZHANG Zhuo, ZHANG Yu^**, AN Yang, LI Sheng-Xin, XU Jia

Department of Physics, Liaoning Normal University, Dalian 116029

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ZHANG Zhuo, ZHANG Yu, AN Yang et al 2013 Chin. Phys. Lett. 30 102101

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Abstract The prolate-oblate shape phase transition in the interacting boson model is investigated for finite N as well as in the large-N classical limit by adopting the Hamiltonian with a linear dependence on the control parameter. The results indicate that the critical dynamics in the new scheme is of the γ-soft type similar to the O(6) dynamics. It is also shown that the structural evolution in the Hf-Hg mass region can be well reproduced in the present scheme.

Received: 13 May 2013 Published: 21 November 2013

PACS:	21.60.Fw	(Models based on group theory)
	21.60.Ev	(Collective models)
	21.10.Re	(Collective levels)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/10/102101 OR https://cpl.iphy.ac.cn/Y2013/V30/I10/102101

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	ZHANG Zhuo
	ZHANG Yu
	AN Yang
	LI Sheng-Xin
	XU Jia

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