论文标题
基于相对论能量密度函数的K k同位素中形状相变的签名
Signatures of shape phase transitions in krypton isotopes based on relativistic energy density functionals
论文作者
论文摘要
在核密度功能理论的框架内研究了表征具有质量$ a \大约80美元区域的K $ a \大约80 $区域的形状相变的光谱特性。三轴四极限制的自洽平均场计算采用相对论能量密度函数和配对相互作用是针对均匀的核$^{76-86} $ kr进行的。光谱特性是通过求解三轴四极杆集体汉密尔顿的计算，即具有成分，即惯性和质量参数的变形依赖性矩，以及通过使用SCMF解决方案作为显微镜输入来确定的集体潜力。 SCMF势能表面的系统行为，相应的低能源光谱，电力四极杆和单极过渡概率以及三轴四极变形的波动表明，基础核结构的进化表明，作为中性数的功能，是由相当多的型号混合而表征的中子数。特别注意过渡核$^{82} $ kr，该核最近已在实验上被视为E（5）临界点对称性的经验实现。
Spectroscopic properties that characterize the shape phase transitions in krypton isotopes with the mass $A\approx80$ region are investigated within the framework of the nuclear density functional theory. Triaxial quadrupole constrained self-consistent mean-field calculations that employ relativistic energy density functionals and a pairing interaction are carried out for the even-even nuclei $^{76-86}$Kr. The spectroscopic properties are computed by solving the triaxial quadrupole collective Hamiltonian, with the ingredients, i.e., the deformation-dependent moments of inertia and mass parameters, and the collective potential, determined by using the SCMF solutions as microscopic inputs. Systematic behaviors of the SCMF potential energy surfaces, the corresponding low-energy spectra, electric quadrupole and monopole transition probabilities, and the fluctuations in the triaxial quadrupole deformations indicate evolution of the underlying nuclear structure as functions of the neutron number, that is characterized by a considerable degree of shape mixing. A special attention is paid to the transitional nucleus $^{82}$Kr, which has been recently identified experimentally as an empirical realization of the E(5) critical-point symmetry.
