热中子星r-mode不稳定性的研究

原子核物理评论 , 2013, 30(3): 359-363. doi: 10.11804/NuclPhysRev.30.03.359

热中子星r-mode不稳定性的研究

1.华南理工大学物理系,广东广州,510641

2.华南理工大学物理系,广东广州,510641

基金项目: 中央高校基本科研业务费专项资金(2012ZZ0079) 国家自然科学基金资助项目(10947023,11275073,11205061) Fundamental Research Funds for the Central Universities(2012ZZ0079) Sponsored by Scientific Research Foundation for the Returned Overseas Chinese Scholars,State Education Ministry(42th) 教育部留学回国人员科研启动基金资助项目(第42批) National Natural Science Foundation of China(10947023,11275073,11205061)

关键词：中子星 , r-mode , 非牛顿引力

Research on r-mode Instability in Hot Neutron Star

Keywords： neutron star , r-mode , non-Newtonian gravity

理论上,不稳定的中子星r-mode能辐射可探测的引力波.采用具有超软对称能的非对称核物质物态方程,并考虑非牛顿引力效应影响,数值计算了由于CFS(Chandrasekhar-Friedmann-Schutz)不稳定性引起的年轻热中子星的r-mode不稳定窗口,给出了引力辐射时标和耗散时标随温度的变化关系.利用中子星观测对非牛顿引力参数的约束,给出了热中子星在高温区不稳定窗口边界的约束,并发现较大的非牛顿引力参数对应着较宽的r-mode不稳定窗口.研究结果可为地面引力辐射探测提供有意义的参考.

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