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Inflation – In the Early Universe and Today

  • Part I The Very Early Universe and High Precision Cosmology
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The Early Universe and Observational Cosmology

Part of the book series: Lecture Notes in Physics ((LNP,volume 646))

Abstract

In these lectures we will be giving a basic introduction to modern ideas in cosmology. Beginning with a review of the Standard Big Bang (SBB) scenario, we will introduce the observed cosmological parameters and indicate the features that the SBB can not explain, such as the initial conditions. This will lead to an introduction to the inflationary cosmology, which postulates a period of accelerated expansion during the Universe’s earliest stages [1,2,3,4,5]. We will provide some examples of inflationary solutions and demonstrate how they can be used to make distinctive predictions which in principle can be tested with current observations. In particular it provides a possible model for the origin of structure in the Universe. The state of these observations will also be discussed with particular attention being given to the most recent experiments which have detected anisotropies in the cosmic microwave background radiation. We will discuss some of the most exciting developments that have recently emerged in cosmology, arising from string and M-theory models. A particular example of inflation arising out of branes will be given to emphasise the potential new features these solutions have. Finally we will discuss models of Quintessence, scalar field models used to explain the exciting results that the Universe is undergoing a period of acceleration today.

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Authors and Affiliations

  1. Department of Physics and Astronomy, University of Sussex, Brighton, BN1 9QJ, U.K.

    Edmund J. Copeland

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  1. Edmund J. Copeland
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Nora Bretón Jorge Luis Cervantes-Cota Marcelo Salgado

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Copeland, E.J. Inflation – In the Early Universe and Today. In: Bretón, N., Cervantes-Cota, J.L., Salgado, M. (eds) The Early Universe and Observational Cosmology. Lecture Notes in Physics, vol 646. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-40918-2_3

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  • DOI: https://doi.org/10.1007/978-3-540-40918-2_3

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