The Tensor Part of the Skyrme Energy Density Functional
The Tensor Part of the Skyrme Energy Density Functional
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发表时间：
2007-06
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通讯作者：
T. Lesinski;M. Bender;K. Bennaceur;T. Duguet;Jacques Meyer
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作者：
T. Lesinski;M. Bender;K. Bennaceur;T. Duguet;Jacques Meyer
本文系统地研究了Skyrme能量泛函中的J^2张量项对球核性质的影响。我们建立了一套36参数化覆盖范围广的相应的参数空间。我们分析了球计算中张量项对单粒子能级分裂沿着半魔核链演化的影响。我们发现，质子-中子和类似粒子张量项的耦合常数的正值允许的中子和质子的单粒子能级分裂的演化的Ca，Ni和Sn同位素链的定性描述。
We systematically study the effect of the J^2 tensor terms in the Skyrme energy functional on properties of spherical nuclei. We build a set of 36 parameterizations covering a wide range of the corresponding parameter space. We analyze the impact of the tensor terms on the evolution of single-particle-level splittings along chains of semi-magic nuclei in spherical calculations. We find that positive values of the coupling constants of proton-neutron and like-particle tensor terms allow for a qualitative description of the evolution of neutron and proton single-particle level splittings in chains of Ca, Ni and Sn isotopes.