Gravitational waves in a cyclic Universe: resilience through cycles and vacuum state
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DOI: 10.1088/1475-7516/2024/06/036
Abstract: We present a generalised calculation for the spectrum of primordial tensor perturbations in a cyclic Universe, making no assumptions about the vacuum state of the theory and accounting for the contribution of tensor modes produced… read more here.
Keywords: cyclic universe; dark energy; phase; vacuum state ... See more keywords