Levin J
DAMTP, Cambridge University, Wilberforce Road, Cambridge CB3 0WA, United Kingdom and and Astronomy Centre, University of Sussex, Brighton BN1 9QJ, United Kingdom.
Phys Rev Lett. 2000 Apr 17;84(16):3515-8. doi: 10.1103/PhysRevLett.84.3515.
Spinning compact binaries are shown to be chaotic in the post-Newtonian expansion of the two-body system. Chaos by definition is the extreme sensitivity to initial conditions and a consequent inability to predict the outcome of the evolution. As a result, the spinning pair will have unpredictable gravitational waveforms during coalescence. This poses a challenge to future gravity wave observatories which rely on a match between the data and a theoretical template.
在两体系统的后牛顿展开中,旋转致密双星被证明是混沌的。根据定义,混沌是对初始条件的极端敏感性以及随之而来的无法预测演化结果的特性。因此,旋转双星在合并过程中将产生不可预测的引力波波形。这对未来依赖于数据与理论模板匹配的引力波天文台构成了挑战。