field equations Definition and 105 Threads

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  1. E

    Question about the metric tensor in Einstein's field equations.

    I was wonder if some can explain to me what exactly are the 10 parameters for the metric tensors. I know the reason for getting 10 parameters, 3^2=9 + 1, you get three for every spatial dimensions plus one for time. But why exactly three parameters for each spatial dimension? And what exactly...
  2. K

    Why do the Einstein Field Equations have multiple solutions?

    When people say EFEs are coupled does that mean that to solve them you have to have a solution which conforms to them all simulataneously.And if general relativity is such a great description of nature why is there more than one solution to EFEs?
  3. zeronem

    Solution to GR Field Equations

    I understand that the Black Hole and the worm hole are solutions to Einstein's Field Equations. However, what does it mean by solution? I want to understand what it means by solution to the Field Equations. Can the solution be anything that forms a gravitational field? Can a solution in...
  4. Loren Booda

    Exact solutions of Einstein's field equations

    How many have been found, and can you describe them (at least the most significant) in the format provided us below?
  5. M

    Einstein Field Equations Locations

    Looking for Einstein Field Equations, in certain places put that they are 10 and in other places put that they are 16. Which is the correct number?
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