How to falsify scenarios with primordial fluctuations from inflation
نویسنده
چکیده
In the 15 years since Alan Guth’s famous paper[1] the idea of cosmic inflation has established itself as a central feature of modern cosmology. At this point the inflationary cosmologies are the only theories which can claim to explain the initial conditions of the Standard Big Bang Model, although people still debate the extent to which this claim is legitimate. One of the main difficulties currently facing the field is the absence of a compelling microscopic theory on which to base an inflationary cosmology. In order to achieve the desired period of cosmic inflation, the underlying fundamental field theory must contain a special “flat direction” (the so called inflaton) with very special properties. A great many such field theories have been proposed, but our understanding of very high energy physics remains sufficiently ambiguous that there are no really strong reasons to expect the microphyics to accommodate inflation other than our desire to explain the “initial conditions” of the Universe.
منابع مشابه
How to falsify scenarios with primordial fluctuations from inflation 1 1 Introduction In the 15 years since
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تاریخ انتشار 1996