We show that by adding a cosmological constant term to the Starobinsky model, it can be solved exactly without using the slow-roll approximation.
Exactly solvable f(R) inflation / Valtancoli, P.. - In: INTERNATIONAL JOURNAL OF MODERN PHYSICS D. - ISSN 0218-2718. - ELETTRONICO. - (2019), pp. 1950087-1950097. [10.1142/S0218271819500871]
Exactly solvable f(R) inflation
Valtancoli, P.
2019
Abstract
We show that by adding a cosmological constant term to the Starobinsky model, it can be solved exactly without using the slow-roll approximation.
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