论文标题
使用重力辐射来限制Brans-Dicke参数
Constraining Brans-Dicke Parameter Using Gravitational Radiation
论文作者
论文摘要
本文使用围绕银河中心发动机旋转的中子星(NS)对Brans-Dicke(BD)参数提出了理论限制。假设轨道半径足够大的假设可以忽略由于中央超级大型黑洞(SMBH)而忽略强曲率,并处理了牛顿动力学问题。首先,在BD理论中计算重力辐射极化。然后使用偶极子辐射主导的标量极化对BD参数构成约束。计算相对简单,这使大二学生可以使用。
This article presents a theoretical limit on the Brans-Dicke (BD) parameter using a neutron star (NS) revolving around a galactic central engine.The assumption that the orbital radius is large enough allows to ignore strong curvature due to the central supermassive black hole (SMBH) and treat the problem with Newtonian dynamics. First, gravitational radiation polarizations are calculated in the BD theory. The scalar polarization, dominated by the dipole radiation, is then used to put a constraint on the BD parameter.The calculations are relatively simple and this makes it accessible to sophomore students.