论文标题
中子物质在有限温度下的结构因子
Structure Factors of Neutron Matter at Finite Temperature
论文作者
论文摘要
我们计算有限温度和密度下中子物质的结构因子的连续体和无限限制的外推。使用晶格公式,对无效的有效场理论的晶格公式,我们计算有限温度和超出病毒膨胀范围的密度下结构因子的动量依赖性。计算棕褐色的接触参数,结果与矢量结构因子的高动量尾部一致。控制所有统计和系统的错误。该计算是朝着无关的模型理解中子物质在有限温度下的线性响应的第一步,到目前为止,一个领域很少探索。
We compute continuum and infinite volume limit extrapolations of the structure factors of neutron matter at finite temperature and density. Using a lattice formulation of leading-order pionless effective field theory, we compute the momentum dependence of the structure factors at finite temperature and at densities beyond the reach of the virial expansion. The Tan contact parameter is computed and the result agrees with the high momentum tail of the vector structure factor. All errors, statistical and systematic, are controlled for. This calculation is a first step towards a model-independent understanding of the linear response of neutron matter at finite temperature, a realm until now little explored.