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Strengthening the TCC Bound on Inflationary Cosmology
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hep-thastro-ph.COgr-qchep-ph
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boundcosmologyinflationaryscaleacceleratoraccessiblecensorshipclose
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abstract
We show that the constraints which follow from the {\it Trans-Planckian Censorship Conjecture} for inflationary cosmology can be strengthened if the pre-inflationary universe was dominated by radiation. The resulting upper bound on the energy scale of inflation is $\eta \sim 10^4 {\rm GeV}$, close to the scale accessible to accelerator experiments.
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