Journal
PHYSICAL REVIEW D
Volume 91, Issue 4, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.91.043502
Keywords
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Funding
- Deutsche Forschungsgemeinschaft (Germany) through The Dark Universe [TRR33]
- Ministerio de Ciencia y Innovacion (Spain) [FPA2010-17747]
- Consolider-Ingenio Centro Nacional de Fisica de Particulas, Astroparticulas y Nuclear (Spain) [CSD2007-00042]
- Multimessenger Approach for Dark Matter Detection [CSD2009-00064]
- Comunidad de Madrid (Proyecto Fenomenologia de las Interacciones Fundamentales: Campos, Cuerdas y Cosmologia) [S2009/ESP-1473]
- European Commission [PITN-GA-2009-237920]
- Spanish Ministerio de Economia y Competitividad (Spain) Centro de Excelencia Severo Ochoa Programme [SEV-2012-0249]
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If a sizeable tensor-to-scalar ratio similar to 0.1 turns out to be detected and a negative running of the scalar spectral index similar to 10(-2) is significantly required by the data, the vast majority of single field models of inflation will be ruled out. We show that a flat tree-level effective potential, lifted by radiative corrections and by the imprints of a high energy scale (in the form of nonrenormalizable operators) can explain those features and produce enough inflation in the slow-roll regime.
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