Developments in inflationary cosmology |
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Authors: | Arjun Berera |
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Institution: | (1) School of Physics and Astronomy, University of Edinburgh, Edinburgh, EH9 3JZ, UK |
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Abstract: | This talk presents some recent work that has been done in inflationary cosmology. First a brief review is given of the inflation
scenario and its basic models. After that, one of the main problems in developing inflationary models has been the requirement
of a very flat inflation potential. In solving this problem, supersymmetry has played a major role, and the reasons will be
discussed and a specific example of the SUSY hybrid model will be examined. Some problems introduced by SUSY such as the η and gravitino problems will then be discussed. Then in a different direction, the quintessential inflation model will be
examined as a proposal where a single scalar field plays the role of both the inflaton at early time and the dark energy field
later. The final topic covered is developments in understanding dissipation and particle production processes during the inflationary
phase.
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Keywords: | Inflation cosmology supersymmetry dissipation |
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