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Non- Gaussianity in single field models without slow-roll

Non- Gaussianity in single field models without slow-roll. Johannes Noller , Imperial College London Cosmology meets Particle Physics , DESY, Hamburg , 28/09/2011.

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Non- Gaussianity in single field models without slow-roll

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  1. Non-Gaussianityin single fieldmodelswithout slow-roll Johannes Noller, Imperial College London CosmologymeetsParticlePhysics, DESY, Hamburg, 28/09/2011

  2. The most general Lorentz invariant action for a single scalar field minimally coupled to gravity that contains at most first derivatives of the field

  3. cf. Chen ’10 , Khoury, Piazza ‘09 , Senatore et al. ‘09 , Seery, Lidsey ‘05 Plots by: Baumann; Renaux-Petel, Chen; JN

  4. Agarwal & Bean ’09, Lorenz et al. ’08, Lidsey & Huston ’07, Stewart & Lyth ‘93

  5. Running Non-Gaussianity cf. JN & Magueijo ‘11 , Byrnes et al. ’10, Khoury & Piazza ‘09, LoVerde et al. ‘08

  6. Running Non-Gaussianity cf. JN & Magueijo ‘11 , Byrnes et al. ’10, Khoury & Piazza ‘09, LoVerde et al. ‘08 Strong coupling constraints cf. Baumann et al. ‘11, Senatore et al. ‘09, Cheung et al. ‘07

  7. LoVerde et al. ’08, Creminelli et al. ’06 Plots from LoVerde et al. ‘08

  8. JN & Magueijo ‘11, Magueijo, JN, Piazza ’10, Khoury & Piazza ‘09

  9. JN & Magueijo ‘11, Magueijo, JN, Piazza ’10, Khoury & Piazza ‘09

  10. Thank you! JN & Magueijo, (PRD 83, 103511), arXiv:1102.0275

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