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Getting infinite loop DE soln of the Schwarzschild metric in General Relativity geodesics equation

  1. Jun 24, 2017 #1
    The system of DE

    IuoMXrx.png

    arises when using the Schwarzschild metric of General Relativity on the geodesics equation. I was trying to solve these equations for ##\phi## as a function of ##r##. I followed Weinberg (Weinberg's book S&G relativity) who uses ##t' = 1 / B(r)## in his book. So now we have two equations and two unkowns. I tried to solve it for ##\phi (r)## as I said above but Mathematica keeps running indefinitely and gives no solution. I was hoping to get the same result as Weinberg does in his book. What am I doing wrong?
     
  2. jcsd
  3. Jun 30, 2017 #2
    Thanks for the thread! This is an automated courtesy bump. Sorry you aren't generating responses at the moment. Do you have any further information, come to any new conclusions or is it possible to reword the post? The more details the better.
     
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