Browsing Department of Materials Science and Metallurgy by Subject "inflation"

Now showing items 1-5 of 5

  • High-Energy Aspects of Inflationary Cosmology 

    Lee, Hayden (University of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsCorpus Christi College, 2017-07-21)
    Since the discovery of the cosmic microwave background (CMB), our understanding of the cosmos has been rapidly evolving. Detailed measurements of the CMB temperature fluctuations have led to a standard cosmological model, ...

  • Hyperbolic Inflation in the Light of Planck 2015 data 

    Basilakos, Spyros; Barrow, John David (APSPhysical Review D, 2015-05-18)
    Rubano and Barrow have discussed the emergence of a dark energy, with late-time cosmic acceleration arising from a self-interacting homogeneous scalar field with a potential of hyperbolic power type. Here, we study the ...

  • Observational constraints on new exact inflationary scalar-field solutions 

    Barrow, John David; Paliathanasis, A (American Physical SocietyPhysical Review D, 2016-10-15)
    An algorithm is used to generate new solutions of the scalar-field equations in homogeneous and isotropic universes. Solutions can be found for pure scalar fields with various potentials in the absence and presence of ...

  • Seven lessons from manyfield inflation in random potentials 

    Dias, Mafalda; Frazer, Jonathan; Marsh, Carl Marc (IoPJOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS, 2018-01)
    We study inflation in models with many interacting fields subject to randomly generated scalar potentials. We use methods from non-equilibrium random matrix theory to construct the potentials and an adaption of the ‘transport ...

  • The power spectrum and bispectrum of inflation and cosmic defects 

    Lazanu, Andrei (University of CambridgeDepartment of Applied Mathematics and Theoretical PhysicsGonville and Caius College, 2016-06-28)
    Much of the recent progress in cosmology has come from studying the power spectrum of the cosmic microwave background (CMB). The latest results from the Planck satellite confirmed that the inflationary paradigm with the ...