Cosmological solutions and growth index of matter perturbations in <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>f</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>Q</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:math> gravity

Khyllep, Wompherdeiki; Paliathanasis, Andronikos; Dutta, Jibitesh

doi:10.1103/physrevd.103.103521

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Cosmological solutions and growth index of matter perturbations in f(Q) gravity

Published in Physical review. D/Physical review. D. • May 17, 2021

Authors:

Wompherdeiki Khyllep

Andronikos Paliathanasis

Jibitesh Dutta

Abstract

The present work studies one of Einstein's alternative formulations based on the nonmetricity scalar $Q$ generalized as $f(Q)$ theory. More specifically, we consider the power-law form of $f(Q)$ gravity, i.e., $f(Q)=Q+\ensuremath{\alpha}{Q}^{n}$. Here, we analyze the behavior of the cosmological mod...

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