Twin Paradox in de Sitter Spacetime

@article{Boblest2011TwinPI,
  title={Twin Paradox in de Sitter Spacetime},
  author={Sebastian Boblest and Thomas Muller and G. Wunner},
  journal={European Journal of Physics},
  year={2011},
  volume={32},
  pages={1117-1142}
}
The 'twin paradox' of special relativity offers the possibility of making interstellar flights within a lifetime. For very long journeys with velocities close to the speed of light, however, we have to take into account the expansion of the universe. Inspired by the work of Rindler on hyperbolic motion in curved spacetime, we study the worldline of a uniformly accelerated observer in de Sitter spacetime and the communication between the travelling observer and an observer at rest. This paper is… Expand
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6 Citations

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