Exact Solution Applied
Apply to a weak, spherically symmetric, gravitational system.
![](http://TheWorld.com/~sweetser/Images/k_GM.jpg)
Gravitational source spring constant.-
![](http://TheWorld.com/~sweetser/Images/sigma_static.jpg)
Static field approximated by R'. -
![](http://TheWorld.com/~sweetser/Images/sigma_tau_R.jpg)
Sigma and c tau have the same magnitude, R. -
![](http://TheWorld.com/~sweetser/Images/i_sigma_tau.jpg)
To make a real metric, choose sigma to be imaginary.
Plug into the exact solution: