Cosmology with rolling tachyon |
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| Authors: | M Sami Pravabati Chingangbam Tabish Qureshi |
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| Institution: | (1) Inter-University Centre for Astronomy and Astrophysics, Ganeshkhind, Post Bag 4, 411 007 Pune, India;(2) Department of Physics, Jamia Millia Islamia, 110 025 New Delhi, India |
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| Abstract: | We examine the possibility of rolling tachyon to play the dual role of inflaton at early epochs and dark matter at late times.
We argue that enough inflation can be generated with the rolling tachyon either by invoking the large number of branes or
brane world assisted inflation. However, reheating is problematic in this model.
On leave from Jamia Millia Islamia, New Delhi 110 025, India |
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