The Fourth-Order Symmetry Energy of Finite Nuclei


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The fourth-order symmetry energy Esym,4(A) of heavy nuclei is investigated based on the Skyrme energy density functional in combination with a local density approximation. Unlike some previous works, in our method, the interferences from the other energy terms are removed since it is completely isolated from the rest of energy terms. The calculated Esym,4(A) is much less than that extracted from nuclear masses. The underlying reason for the big difference is discussed. The Brueckner theory also gives a small fourth-order symmetry energy coefficient of nuclear matter, which is also different from recent conclusions with another methods.

作者简介

J. Dong

Institute of Modern Physics

编辑信件的主要联系方式.
Email: dongjm07@impcas.ac.cn
中国, Lanzhou

W. Zuo

Institute of Modern Physics; School of Physics

Email: dongjm07@impcas.ac.cn
中国, Lanzhou; Beijing

J. Gu

China Institute of Atomic Energy

Email: dongjm07@impcas.ac.cn
中国, Beijing

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