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No-go theorem for inflation in Ricci-inverse gravity

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Main Author: Tuan Q. Do
Format: Article
Language:English
Published: The European Physical Journal C 2021
Online Access:https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-021-09223-4
https://dlib.phenikaa-uni.edu.vn/handle/PNK/1886
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spelling oai:localhost:PNK-18862022-08-17T05:54:44Z No-go theorem for inflation in Ricci-inverse gravity Tuan Q. Do Q1 In this paper, we study the so-called Ricci-inverse gravity, which is a very novel type of fourth-order gravity proposed recently. In particular, we are able to figure out both isotropically and anisotropically inflating universes to this model. More interestingly, these solutions are shown to be free from a singularity problem. However, stability analysis based on the dynamical system method shows that both isotropic and anisotropic inflation of this model turn out to be unstable against field perturbations. This result implies a no-go theorem for both isotropic and anisotropic inflation in the Ricci-inverse gravity. 2021-06-21T02:47:52Z 2021-06-21T02:47:52Z 2021 Article Working Paper https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-021-09223-4 https://dlib.phenikaa-uni.edu.vn/handle/PNK/1886 10.1140/epjc/s10052-021-09223-4 en application/pdf The European Physical Journal C
institution Digital Phenikaa
collection Digital Phenikaa
language English
description Q1
format Article
author Tuan Q. Do
spellingShingle Tuan Q. Do
No-go theorem for inflation in Ricci-inverse gravity
author_facet Tuan Q. Do
author_sort Tuan Q. Do
title No-go theorem for inflation in Ricci-inverse gravity
title_short No-go theorem for inflation in Ricci-inverse gravity
title_full No-go theorem for inflation in Ricci-inverse gravity
title_fullStr No-go theorem for inflation in Ricci-inverse gravity
title_full_unstemmed No-go theorem for inflation in Ricci-inverse gravity
title_sort no-go theorem for inflation in ricci-inverse gravity
publisher The European Physical Journal C
publishDate 2021
url https://link.springer.com/article/10.1140%2Fepjc%2Fs10052-021-09223-4
https://dlib.phenikaa-uni.edu.vn/handle/PNK/1886
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score 8.891145

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