Spin-Flip Response Function of Finite Nuclei in a Fully Self-Consistent RPA Approach

doi:10.1088/0256-307X/30/5/052101

Chin. Phys. Lett.

2013, Vol. 30

Issue (5): 052101 DOI: 10.1088/0256-307X/30/5/052101

NUCLEAR PHYSICS

Spin-Flip Response Function of Finite Nuclei in a Fully Self-Consistent RPA Approach

WEN Pei-Wei^1,2, CAO Li-Gang^1,3**

¹Institute of Modern Physics, University of Chinese Academy of Sciences, Lanzhou 730000
²Graduate University of Chinese Academy of Sciences, Beijing 100049
³Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000

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WEN Pei-Wei, CAO Li-Gang 2013 Chin. Phys. Lett. 30 052101

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Abstract The spin-flip response of finite nuclei is studied in a fully self-consistent Hartree–Fock plus random phase approximation (RPA) within the SLy5 Skyrme parameter set. The effect of J² terms and spin-orbit interaction on the response function are discussed. The J² terms are included/excluded at both the mean field and the excited state for self-consistency. The numerical results show that the J² terms give a strong effect on the properties of the magnetic dipole response and the Gamow–Teller response. The spin-orbit residual interaction has almost no contribution to the spin-flip response according to our present study.

Received: 14 December 2012 Published: 31 May 2013

PACS:	21.60.Jz	(Nuclear Density Functional Theory and extensions (includes Hartree-Fock and random-phase approximations))
	24.30.Cz	(Giant resonances)
	24.30.Gd	(Other resonances)
	25.40.Kv	(Charge-exchange reactions)

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https://cpl.iphy.ac.cn/10.1088/0256-307X/30/5/052101 OR https://cpl.iphy.ac.cn/Y2013/V30/I5/052101

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