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首页> 外文期刊>Physical review, C >Strength of tensor forces from neutron drops in ab initio relativistic Brueckner-Hartree-Fock theory
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Strength of tensor forces from neutron drops in ab initio relativistic Brueckner-Hartree-Fock theory

机译：AB Initio相对论Brueckner-Hartree-Fock理论中中子下降的张力力量

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摘要

The evolution of spin-orbit splittings of neutron drops along with the neutron number and its connection with the tensor-force strength have been investigated systematically for different external fields in the relativistic Brueckner-Hartree-Fock (RBHF) and relativistic Hartree-Fock (RHF) theories. Based on the RHF functional PKO1, it is found that a good consistency between the RBHF and RHF results for the total energies can be obtained only for those neutron drops whose central densities are close to the saturation density of nuclear matter. Nevertheless, by rescaling the density dependence of the RHF functional, the RBHF total energies of neutron drops in different external fields can be well reproduced. The optimized tensor-force strength. in the RHF theory, which reproduces the microscopic RBHF spin-orbit splittings, is running with the strength of the external fields of neutron drops. This provides an important guide for future determination of tensor forces in nuclear energy density functionals based on microscopic ab initio calculations.
机译：中子滴的旋转轨道分裂的演变以及中子数及其与张力强度的连接，并在相对论的布鲁克纳 - Hartree-hartree-hartree-fock（RBHF）和相对论Hartree-Fock（RHF）中）理论。基于RHF函数PKO1，发现RBHF与RHF结果之间的良好一致性，只能为那些中央密度接近核物质的饱和密度的那些中子滴。然而，通过重新突出rhF函数的密度依赖性，可以很好地再现不同外部场中的中子滴的RBHF总能量。优化的张力强度。在RHF理论中，再现微观RBHF旋转轨道分裂，在中子滴的外部领域的强度运行。这提供了基于微观AB Initio计算的核能密度函数中的未来测定张力的重要指南。

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