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Search: authors:"Rajeev Kumar Jain"

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A unified universe

We present a unified evolution of the universe from very early times until the present epoch by including both the leading local correction \(R^2\) and the leading non-local term \(R\frac{1}{\square ^2}R\) to the classical gravitational action. We find that the inflationary phase driven by \(R^2\) term gracefully exits in a transitory regime characterized by coherent oscillations...