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Results tagged with de-sitter-spacetime
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user 3518
2
votes
1
answer
293
views
How do representations of an isometry group correspond to degrees of freedom/entropy in a sy...
To put the question into context: I am currently writing my bachelors thesis on de Sitter space, specifically, $dS_4$. I am trying to show that while the horizon entropy is finite, the isometry group …
- 233
5
votes
1
answer
1k
views
How to calculate temperature and entropy on Schwarzschild-de Sitter space
The cosmological event horizon found in a de Sitter universe has some interesting similarities to that of a black hole. For example, since we can find a temperature at the horizon, we are able to use …
- 233
4
votes
2
answers
565
views
How should one interpret the de Sitter slicings?
When 'constructing' the usual de Sitter space in $\mathcal{M^5}$ by invoking the contraint $-X^{2}_{0} +X^{2}_{1} +X^{2}_{2} +X^{2}_{3} + X^{2}_{4} = \alpha^2$ we quickly see that we end up with a hyp …
- 233