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hep-th2010★ 18 cited
The coupling of topology and inflation in Noncommutative Cosmology
Matilde Marcolli, Elena Pierpaoli, Kevin Teh
We show that, in a model of modified gravity based on the spectral action functional, there is a nontrivial coupling between cosmic topology and inflation, in the sense that the sh…
hep-th2010★ 21 cited
The spectral action and cosmic topology
Matilde Marcolli, Elena Pierpaoli, Kevin Teh
The spectral action functional, considered as a model of gravity coupled to matter, provides, in its non-perturbative form, a slow-roll potential for inflation, whose form and corr…