论文标题
旋转轨道和伪源性轨道分裂的中子滴剂的起源
The origin of the spin-orbit and pseudospin-orbit splittings' evolution in neutron drop
论文作者
论文摘要
我们在使用SAMI-T和SLY5参数化获得的中子液滴中发现了自旋轨道（SO）和伪源性轨道（PSO）分裂的旋转轨道（SO）和伪源性轨道（PSO）分裂的演变中相同的惊人模式，分别在有和不带有张量项的情况下。这种惊人的进化类似于相对论的Brueckner-Hartree-fock（RBHF）理论最近获得的结果，其潜力据称是张量的效应。在这项工作中，我们对Skyrme EDF理论中这种惊人演变的起源进行了直观但必不可少的解释。我们发现，对于SO和PSO合作伙伴，能量分裂主要源于SO潜力。 SO和PSO分裂的惊人演变主要是由于密度的急剧变化，而中子填充了不同的单粒子轨道。确定特定惊人模式的关键是中子密度梯度项的强度和SO潜力中的SO密度项，不一定是张量力。
We found the same staggering pattern in the evolution of the spin-orbit (SO) and pseudospin-orbit (PSO) splittings in neutron drops obtained by the energy-density functional (EDF) theory using SAMi-T and SLy5 parameterizations, with and without the tensor terms respectively. This staggering evolution is similar to the results recently obtained by the relativistic Brueckner-Hartree-Fock (RBHF) theory with Bonn A potential, which was claimed to be a tensor effect. In this work, we present an intuitive but essential explanation on the origin of this staggering evolution in the Skyrme EDF theory. We found that for both the SO and PSO partners, the energy splittings mainly originate from the SO potential. The staggering evolution of both the SO and PSO splittings is mainly due to the drastic change of density while neutrons filling different single-particle orbits. The key to determine the specific staggering pattern is the strength of the neutron density gradient term and the SO density term in the SO potential, not necessarily the tensor force.
