A critical look at inflationary cosmology

Philosophy of Science 66 (1):1-49 (1999)
Abstract
Inflationary cosmology won a large following on the basis of the claim that it solves various problems that beset the standard big bang model. We argue that these problems concern not the empirical adequacy of the standard model but rather the nature of the explanations it offers. Furthermore, inflationary cosmology has not been able to deliver on its proposed solutions without offering models which are increasingly complicated and contrived, which depart more and more from the standard model it was supposed to improve upon, and which sever the connection between cosmology and particle physics that initially made the inflationary paradigm so attractive. Nevertheless, inflationary cosmology remains a promising research program, not least because it offers an explanation of the origin of the density perturbations that seeded the formation of galaxies and other cosmic structures. Tests of this explanation are underway and may settle the issue of whether inflation played an important role in the early universe.
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DOI 10.1086/392675
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Neil A. Manson (2009). The Fine-Tuning Argument. Philosophy Compass 4 (1):271-286.
Claus Beisbart (2009). Can We Justifiably Assume the Cosmological Principle in Order to Break Model Underdetermination in Cosmology? Journal for General Philosophy of Science / Zeitschrift für Allgemeine Wissenschaftstheorie 40 (2):175 - 205.
C. D. McCoy (2015). Does Inflation Solve the Hot Big Bang Model׳s Fine-Tuning Problems? Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 51:23-36.
Jeremy Butterfield (2014). On Under-Determination in Cosmology. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 46 (1):57-69.

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