432 citations · 3.2k across the 70 of their papers we have counts for
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astro-ph.CO2017★ 68 cited
Constant-Roll (Quasi-)Linear Inflation
Alexandros Karam, Luca Marzola, Thomas Pappas +2
In constant-roll inflation, the scalar field that drives the accelerated expansion of the Universe is rolling down its potential at a constant rate. Within this framework, we highl…
gr-qc2017★ 106 cited
Frame-dependence of higher-order inflationary observables in scalar-tensor theories
Alexandros Karam, Thomas Pappas, Kyriakos Tamvakis
In the context of scalar-tensor theories of gravity we compute the third-order corrected spectral indices in the slow-roll approximation. The calculation is carried out by employin…