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Inflationary Cosmology pp 393–424Cite as

Conceptual Problems of Inflationary Cosmology and a New Approach to Cosmological Structure Formation

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Part of the book series: Lecture Notes in Physics ((LNP,volume 738))

Abstract

In spite of its great phenomenological success, current models of scalar field-driven inflation suffer from important unresolved conceptual issues. New fundamental physics will be required to address these questions. String theory is a candidate for a unified quantum theory of all four forces of nature. As will be shown, string theory may lead to a cosmological background quite different from an inflationary cosmology, and may admit a new stringy mechanism for the origin of a roughly scale-invariant spectrum of cosmological fluctuations.

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  1. Department of Physics, McGill University, Montreal, QC, H3A 2T8, Canada

    Robert H. Brandenberger

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  1. Institut Astrophysique de Paris (IAP), CNRS - Université Pierre et Marie Curie, 75014 Paris, France, 98 bd. Arago

    Martin Lemoine

  2. Institut d’Astrophysique de Paris (IAP), CNRS - Université Pierre et Marie Curie, 75014 Paris, France, 98 Boulevard Arago

    Jerome Martin

  3. Institut d’Astrophysique de Paris (IAP), CNRS - Universit Pierre et Marie Curie, 75014 Paris, France, 98 Boulevard Arago

    Patrick Peter

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Brandenberger, R.H. (2008). Conceptual Problems of Inflationary Cosmology and a New Approach to Cosmological Structure Formation. In: Lemoine, M., Martin, J., Peter, P. (eds) Inflationary Cosmology. Lecture Notes in Physics, vol 738. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-74353-8_11

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