Tsujikawa, Phys. Rev. D 77, 023507 (2008)
Tsujikawa, Phys. Rev. D 77, 023507 (2008)
Tsujikawa, Phys. Rev. D 77, 023507 (2008)
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・We assume the flat FLRW space-time with the metric,A prime denotes a derivativewith respect to .T: Gravitational field equation [Bengochea and Ferraro, <strong>Phys</strong>. <strong>Rev</strong>. D 79, 124019 (2009)]No. 38,Modified Friedmann equations in the flat FLRW background:A prime denotes a derivativewith respect to .We consider only non-relativistic matter (cold dark matter and baryon) withand .