On the unreasonable effectiveness of the post-Newtonian approximation in gravitational physics
On the unreasonable effectiveness of the post-Newtonian approximation in gravitational physics
The post-Newtonian approximation is a method for solving Einstein's field equations for physical systems in which motions are slow compared to the speed of light and where gravitational fields are weak. Yet it has proven to be remarkably effective in describing certain strong-field, fast-motion systems, including binary pulsars containing dense …