Conveners
[INF/DM] Inflation, early universe and dark matter
- Mark Hindmarsh (University of Sussex)
[INF/DM] Inflation, early universe and dark matter
- Enrico Maria Sessolo (NCBJ, Warsaw)
Motivated by the cosmological setup, we investigated the influence of the gravity induced terms on the Higgs field effective action. Using the heat kernel approach we obtained the one-loop effective action in the classical curved spacetime. Specializing to the standard cosmological metric, we studied the effect of gravitational field of this form on the behavior of the Higgs effective...
In single field slow-roll inflation, one expects that the spectral index $n_s -1$ is first order in slow-roll parameters. Similarly, its running $\alpha_s = \mathrm d n_s/\mathrm d \log k$ and the running of the running $\beta_s = \mathrm d \alpha_s/\mathrm d \log k$ are second and third order and therefore expected to be progressively smaller, and usually negative. Recent analyses hinting...
We construct models of dark matter with suppressed spin-independent scattering cross section utilizing the existing simplified model framework. Even simple combinations of simplified models can exhibit interference effects that cause the tree level contribution to the scattering cross section to vanish, thus demonstrating that direct detection limits on simplified models are not robust when...
