简要介绍核物质中核子的质量、半径及夸克凝聚的密度依赖关系基于QCD模型和QCD有效场论研究的现状,并具体介绍整体色对称模型(GCM)的研究结果.GCM研究表明,在小于临界密度的情况下,核物质中核子的质量随核物质密度的增大而减小,核子的半径和夸克凝聚随核物质密度的增大而增大.当达到临界密度时,核子质量减小为零,核子半径变为无限大,夸克凝聚突变为零,进而提出一个核物质中手征对称性恢复的新机制.
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