来自非束缚四极子的偶极重力波
Dipole gravity waves from unbound quadrupoles
摘要：
偶极引力扰动传播到辐射区的信号强度至少四极的顺序，如果四极是非相对论的，偶极的顺序，如果相对论的。平行极化和横向极化偶极功率的辐射区的角分布计算简单的未绑定的四极，如线性振荡器/应力波对和粒子存储环。提出了通过测量源区的偶极重力波来进行广义相对论的实验室检验。一个美国宇航局G2飞轮模块与修改后的转子可以产生一个后牛顿直流偏置信号在梯度计高达1毫电子。在峰值亮度，在大型强子对撞机的质子束的排斥偶极脉冲可以产生一个高Q检测器表面的均方根速度高达4微米/秒。在远离源区域的地方，牛顿月球偶极重力波可以在LISA产生1厘米的位移信号。偶极信号强度的天体物理事件涉及未绑定的四极，如近碰撞和中子星踢核心坍缩超新星，估计。
英文摘要：
Dipole gravitational disturbances from gravitationally unbound mass quadrupoles propagate to the radiation zone with signal strength at least of quadrupole order if the quadrupoles are nonrelativistic, and of dipole order if relativistic. Angular distributions of parallel-polarized and transverse-polarized dipole power in the radiation zone are calculated for simple unbound quadrupoles, like a linear-oscillator/stress-wave pair and a particle storage ring. Laboratory tests of general relativity through measurements of dipole gravity waves in the source region are proposed. A NASA G2 flywheel module with a modified rotor can produce a post-Newtonian dc bias signal at a gradiometer up to 1 mE. At peak luminosity, the repulsive dipole impulses of proton bunches at the LHC can produce an rms velocity of a high-Q detector surface up to 4 micron/s. Far outside the source region, Newtonian lunar dipole gravity waves can produce a 1-cm displacement signal at LISA. Dipole signal strengths of astrophysical events involving unbound quadrupoles, like near collisions and neutron star kicks in core-collapse supernovae, are estimated.
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