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Warm inflation beyond the Markovian limit
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DOI：10.1016/j.dark.2026.102355.png)
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Abstract
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Warm inflation is commonly studied under the assumption that the stochastic force sourcing inflaton fluctuations is Markovian. Realistic thermal systems, however, possess finite relaxation times and can therefore generate colored noise with non-zero correlation time. In this work we investigate warm inflation beyond the Markovian limit and determine how finite correlation time modifies the primordial scalar power spectrum.
Keywords:
Cosmic inflation
Warm inflation
Observational bounds
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