4.7 Article

Simple no-scale model of modulus fixing and inflation

Journal

PHYSICAL REVIEW D
Volume 98, Issue 10, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.98.103514

Keywords

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Funding

  1. STFC [ST/P000258/1]
  2. Estonian Research Council
  3. European Research Council under the European Union [648680 DARKHORIZONS]
  4. Universidad de Antioquia
  5. CODI Projects [2015-4044, 2016-10945, 2016-13222]
  6. Colciencias mobility program
  7. Colciencias [111565842691, 111577657253]
  8. STFC [ST/P000258/1] Funding Source: UKRI

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We construct a no-scale model of inflation with a single modulus whose real and imaginary parts are fixed by simple power-law corrections to the no-scale Kahler potential. Assuming an uplift of the minimum of the effective potential, the model yields a suitable number of e-folds of expansion and values of the tilt in the scalar cosmological density perturbations and of the ratio of tensor and scalar perturbations that are compatible with measurements of the cosmic microwave background radiation.

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