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Paper detail

Lorentz-violating dynamics in the pre-Planckian Universe

We have recently proposed a Lorentz-violating energy-momentum relation entailing an exact momentum cutoff and studied various physical applications of that dispersion law. By a simple phenomenological approach we here study Lorentz violation effects on early Universe and pre-Planckian cosmological radiation. In particular, we predict an effective infinite speed of light soon after the Big Bang instant, leading to a straightforward solution of the horizon and flatness problems without recourse to inflation, cosmological scalar fields or other ad hoc energy sources.

preprint2011arXivOpen access
Giovanni Salesi
hep-phgr-qc
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Giovanni Salesi

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