俘获中子与真实核哈密顿量相互作用的性质
Properties of trapped neutrons interacting with realistic nuclear Hamiltonians
摘要：
我们用量子蒙特卡罗和无核全组态技术计算了中子降在外势中的性质。改变外部井的性质以检查不同的密度分布。我们比较了选择的核哈密顿，包括现实的两体相互作用，以及几个三体部队的中子滴的结果。我们计算的中子滴的一系列属性：基态能量，自旋轨道分裂，激发能，径向密度和均方根半径。我们比较了几个这些哈密顿的中子物质的状态方程。我们的结果可以作为基准来测试其他多体技术，并限制能量密度泛函的属性。
英文摘要：
We calculate properties of neutron drops in external potentials using both quantum Monte Carlo and no-core full configuration techniques. The properties of the external wells are varied to examine different density profiles. We compare neutron drop results given by a selection of nuclear Hamiltonians, including realistic two-body interactions as well as several three-body forces. We compute a range of properties for the neutron drops: ground-state energies, spin-orbit splittings, excitation energies, radial densities and rms radii. We compare the equations of state for neutron matter for several of these Hamiltonians. Our results can be used as benchmarks to test other many-body techniques, and to constrain properties of energy-density functionals.
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