Yayınlanmış 1 Ocak 2025
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Stable bouncing solutions in teleparallel Horndeski gravity
Oluşturanlar
- 1. Univ Malta, Inst Space Sci & Astron, Msida 2080, Msd, Malta
Açıklama
In order to have singularity-free solutions at the beginning of the Universe, we need to violate the null energy condition. In the general class of Horndeski gravity, there are healthy NEC-violating solutions, which however are plagued with instabilities or some kind of pathologies in the history of the Universe; this is known as the no-go theorem. In this paper, we study the possibility of stable bouncing solutions in the Teleparallel analogue of Horndeski gravity and we show explicitly that there exist healthy violations of the no-go theorem.
Dosyalar
bib-8368ae20-6835-48f2-a158-2d75235fa716.txt
Dosyalar
(217 Bytes)
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