55 citations · 119 across the 4 of their papers we have counts for
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hep-th2015★ 21 cited
The Non-Minimal Ekpyrotic Trispectrum
Angelika Fertig, Jean-Luc Lehners
Employing the covariant formalism, we derive the evolution equations for two scalar fields with non-canonical field space metric up to third order in perturbation theory. These equ…
hep-th2015★ 13 cited
Conflation: a new type of accelerated expansion
Angelika Fertig, Jean-Luc Lehners, Enno Mallwitz
In the framework of scalar-tensor theories of gravity, we construct a new kind of cosmological model that conflates inflation and ekpyrosis. During a phase of conflation, the unive…