Abstract
Hawking’s radiation effect of Klein-Gordon scalar field, Dirac particles and Maxwell’s electromagnetic field in the non-stationary rotating de Sitter cosmological space-time is investigated by using a method of generalized tortoise co-ordinates transformation. The locations and the temperatures of the cosmological horizons of the non-stationary rotating de Sitter model are derived. It is found that the locations and the temperatures of the rotating cosmological model depend not only on the time but also on the angle. The stress-energy regularization techniques are applied to the two dimensional analog of the de Sitter metrics and the calculated stress-energy tensor contains the thermal radiation effect.
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Ibohal, N., Ibungochouba, T. Hawking’s radiation in non-stationary rotating de Sitter background. Astrophys Space Sci 333, 175–185 (2011). https://doi.org/10.1007/s10509-011-0606-0
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DOI: https://doi.org/10.1007/s10509-011-0606-0