Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 80, Issue 9, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-020-08437-2
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Funding
- CMI Chennai
- AEI Potsdam
- SERB [ECR/2017/000873]
- Infosys Foundation
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We study extremal surfaces in the Schwarzschild de Sitter spacetime with real mass parameter. We find codim-2 timelike extremal surfaces stretching between the future and past boundaries that pass through the vicinity of the cosmological horizon in a certain limit. These are analogous to the surfaces in http://arxiv.org/abs/1711.01107 [hep-th]. We also find spacelike surfaces that never reach the future/past boundaries but stretch indefinitely through the extended Penrose diagram, passing through the vicinity of the cosmological and Schwarzschild horizons in a certain limit. Further, these exhibit interesting structure for de Sitter space (zero mass) as well as in the extremal, or Nariai, limit.
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