All Questions
7 questions
3
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128
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Proof that the Kruskal-Szekeres extension is maximal
I am trying to find a rigorous proof that the Kruskal-Szekeres extension is maximal. The Kruskal-Szekeres extension of the well-known Schwarzschild solution is given by the Lorentzian manifold $(M_{KS}...
0
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0
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55
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Seeking a reference explicitly displaying the Lorentz factor in the context of Schwarzschild geodesics
I am searching for a reference that explicitly displays the content of FIG. 1 (especially, the following equation) mentioned on the Wikipedia site to use as a citation:
$$E = mc^2 \sqrt{\frac{1-r_s/r}{...
0
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0
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56
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Looking for arXiv references on Einstein doubts about reality of gravitational waves
I'm looking for good papers on arXiv that tells the story of gravitational waves theoretical discovery and Einstein's (and others) doubts on their physical existence.
Of course, I searched the papers ...
1
vote
1
answer
1k
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Where can I learn about Gaussian coordinates
Einstein referenced Gauss' use (and discovery) of this mathematical object (correct term?) in his 1916 Popular Exposition of GR and SR
https://www.bartleby.com/173/25.html
I cannot find any ...
1
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0
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42
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Spin connection Kruskal space-time
Would anyone give me some references where I can find the components of the spin connection in Kruskal space-time?
1
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0
answers
163
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Books/papers with this version of the FLRW metric?
I'm looking for references/books/papers/articles which discuss this specific form of the Robertson-Walker (RW) metric (or see the cartesian version (4) below) :
$$
\tag{1}
ds^2 = dt^2 - \frac{a^2(t)}{(...
2
votes
0
answers
264
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Birkhoff Theorem proof reference [closed]
I am looking for a reference with a clear (and easy to understand) proof of Birkhoff's theorem in general relativity.