Nuclear matter response function with a central plus tensor Landau interaction

Nuclear matter response function with a central plus tensor Landau interaction
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具有中心正张量朗道相互作用的核物质响应函数

DOI:
10.1088/0954-3899/41/5/055103
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发表时间:
2013
期刊:
Journal of Physics G
影响因子:
--
通讯作者:
J. Navarro
J. Navarro
中科院分区:
--
文献类型:
--
作者:
A. Pastore;D. Davesne;J. Navarro

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我们提出了一种在随机相位近似(RPA)中获得响应函数的方法,该方法基于用具有中心加张量贡献的朗道参数描述的残差相互作用。与传统的朗道近似相比,响应函数保持了 RPA 的显式动量依赖性。使用源自现象学和微观有限范围相互作用的朗道参数给出了对称核物质和纯中子物质的结果。我们研究随着朗道参数数量的增加响应函数的收敛性。
We present a method to obtain response functions in the random phase approximation (RPA) based on a residual interaction described in terms of Landau parameters with central plus tensor contributions. The response functions keep the explicit momentum dependence of the RPA, in contrast with the traditional Landau approximation. Results for symmetric nuclear matter and pure neutron matter are presented using Landau parameters derived from finite-range interactions, both phenomenological and microscopic. We study the convergence of response functions as the number of Landau parameters is increased.
DOI: 10.1103/physrevc.86.044303
发表时间: 2012-06
期刊: Physical Review C
影响因子: 3.1
作者:
S. Fracasso;E. Suckling;P. Stevenson
通讯作者: S. Fracasso;E. Suckling;P. Stevenson