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From SR to GR in an easy math (and physical) way

  1. Sep 8, 2006 #1
    From SR to GR in an "easy" math (and physical) way

    Hello..i know that for example to go from Newtonian to SR you take:

    [tex] \frac{du}{ds}=0 \rightarrow \nabla _{u} u=0 [/tex]

    My question is ¿is there an "easy" form to go from SR to GR in the form:

    [tex] \nabla _{u} u=0 \rightarrow \nabla R_{ab} =0 [/tex]
    Or to get Einstein equation appart from using the Lagrangian formalism... using "Differential Geomertry" or similar...:confused: :confused:
     
  2. jcsd
  3. Sep 8, 2006 #2

    robphy

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    Your first claim doesn't make much sense to me. Can you clarify?
    Are you trying to describe the evolution of the universe as a geodesic in some abstract space?
     
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