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Enhancing the tensor-to-scalar ratio in simple inflation | | V. Mukhanov
; A.Vikman
; | | Date: |
2 Dec 2005 | | Journal: | JCAP 0602 (2006) 004 | | Abstract: | We show that in theories with a nontrivial kinetic term the contribution of the gravitational waves to the CMB fluctuations can be substantially larger than that is naively expected in simple inflationary models. This increase of the tensor-to-scalar perturbation ratio leads to a larger B-component of the CMB polarization, thus making the prospects for future detection much more promising. The other important consequence of the considered model is a higher energy scale of inflation and hence higher reheating temperature compared to a simple inflation. | | Source: | arXiv, astro-ph/0512066 | | Services: | Forum | Review | PDF | Favorites | |
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