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University of Cambridge > Talks.cam > DAMTP Friday GR Seminar > Distinguishing inflation and alternative paradigms using primordial features
Distinguishing inflation and alternative paradigms using primordial featuresAdd to your list(s) Download to your calendar using vCal
If you have a question about this talk, please contact Dr Sebastien Renaux-Petel. In the primordial universe, particles with mass much larger than the mass-scale of the event-horizon (such as the Hubble parameter in inflation) exist ubiquitously, and can be excited from time to time and oscillate quickly around their minima. These excitations can induce specific patterns in density perturbations, which record the time dependence of the scale factor of the primordial universe, thus provide direct evidence for the inflation paradigm or its alternatives. Such effects are conventionally integrated out in theoretical and data analyses, but can be accessible for experiments targeting on density perturbations with high multiples. This talk is part of the DAMTP Friday GR Seminar series. This talk is included in these lists:
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