Cosmological analysis of \(F(\tilde{R})\) models via pilgrim dark energy
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  • 作者:Abdul Jawad ; Surajit Chattopadhyay
  • 关键词:Modified Horava ; Lifshitz F(R) gravity ; Pilgrim dark energy ; Equation of state parameter ; ΛCDM ; Cosmological analysis
  • 刊名:Astrophysics and Space Science
  • 出版年:2015
  • 出版时间:May 2015
  • 年:2015
  • 卷:357
  • 期:1
  • 全文大小:564 KB
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文摘
In this work, we elaborate the correspondence phenomenon in the scenario of modified Horava-Lifshitz F(R) gravity and pilgrim dark energy. We assume Hubble as well as event horizons of pilgrim dark energy and reconstruct the \(F(\tilde{R})\) models in the present context which satisfy the realistic condition of modified gravities. The equation of state parameter shows quintom-like behavior for most of cases of m in both Hubble as well as event horizons cases. The squared speed of sound provides stability of \(F(\tilde{R})\) models for all cases of m and u. The \(\omega_{\mathit{DE}}-\omega'_{\mathit{DE}}\) analysis in this scenario corresponds to freezing as well as thawing regions which is consistent with accelerated expansion of the universe. It is also interesting to mention here that the statefinders approaches to ΛCDM limit for all cases of m and u. It is concluded that all the cosmological parameters corresponding to reconstructed \(F(\tilde{R})\) models consistent with present day observations.

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