# Trans-planckian physics and non-commutative inflation

@article{Koh2008TransplanckianPA, title={Trans-planckian physics and non-commutative inflation}, author={Seoktae Koh}, journal={Modern Physics Letters A}, year={2008}, volume={23}, pages={1598-1605} }

Non-commutativity of spacetime at the Planck scale may deform the usual dispersion relations. And these deformed dispersion relations could lead to the accelerating phase without a scalar field. In this paper, we have calculated the spectral index and the running of spectral index in a non-commutative inflation model. Non-commutative inflation with thermal radiation gives a scale invariant spectrum in the limit w -> -1 and negative running spectral index which are consistent with the WMAP 3…

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