155 citations · 3.6k across the 84 of their papers we have counts for
Showing 2018 · gr-qcShow all
3 papers · 2 filters
gr-qc2018★ 64 cited
Steep Eternal Inflation and the Swampland
Konstantinos Dimopoulos
I investigate whether eternal inflation is possible when the inflaton originally travels upslope the scalar potential and inevitably reaches a turn-around point where its classical…
gr-qc2018★ 7 cited
Is the Big Rip unreachable?
Konstantinos Dimopoulos
I investigate the repercussions of particle production when the Universe is dominated by a hypothetical phantom substance. I show that backreaction due to particle production preve…
gr-qc2018★ 85 cited
Non-minimal gravitational reheating during kination
Konstantinos Dimopoulos, Tommi Markkanen
A new mechanism is presented which can reheat the Universe in non-oscillatory models of inflation, where the inflation period is followed by a period dominated by the kinetic densi…