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Inflation with explicit parametric connection between general relativity and scalar-tensor gravity. (English) Zbl 1397.83100

Summary: We consider the cosmological inflation with scalar-tensor gravity and compare it with standard inflation based on General Relativity. The difference is determined by the value of the parameter \(\Delta\). This approach is associated with using the special ansatz which links a function that defines a type of gravity with a scale factor of the universe.

MSC:

83D05 Relativistic gravitational theories other than Einstein’s, including asymmetric field theories
83F05 Relativistic cosmology
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