Nonsingular cosmology with a scale-invariant spectrum of cosmological perturbations from Lee-Wick theory

Evolution of metric perturbations in a model of nonsingular inflationary cosmology

(2009) Yi-Fu Cai et al.   JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS

On perturbations of a quintom bounce

(2008) Yi-Fu Cai et al.   JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS

Spectra of primordial fluctuations in two-perfect-fluid regular bounces

(2008) Fabio Finelli et al.   PHYSICAL REVIEW D

Generalized perturbation equations in bouncing cosmologies

(2008) Antonio Cardoso et al.   PHYSICAL REVIEW D

The Lee-Wick standard model

(2008) Benjamín Grinstein et al.   PHYSICAL REVIEW D

Cosmology without inflation

(2008) Patrick Peter et al.   PHYSICAL REVIEW D

Speed of sound in string gas cosmology

(2008) Nima Lashkari et al.   JOURNAL OF HIGH ENERGY PHYSICS