Thermal gravitational waves in accelerating universe

Gravitational waves are considered in thermal vacuum state. The amplitude and spectral energy density of gravitational waves are found enhanced in thermal vacuum state compared to its zero temperature counterpart. Therefore, the allowed amount of enhancement depends on the upper bound of WMAP-5 and...

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Bibliographic Details
Main Author: B Ghayour
Format: Article
Language:English
Published: Isfahan University of Technology 2013-10-01
Series:Iranian Journal of Physics Research
Subjects:
Online Access:http://ijpr.iut.ac.ir/browse.php?a_code=A-10-1039-5&slc_lang=en&sid=1