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Nonlinear Sachs-Wolfe effect in the early universe
- Nonlinear Sachs-Wolfe effect in the early universe
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- 교육대학원 물리교육전공
- 이화여자대학교 교육대학원
- We investigate the influence of nonlinear metric perturbation to
anisotropy of temperature in the early universe, considering the
second order density perturbations in a spatially flat
The Sachs-Wolfe effect, temperature anisotropy caused by photons
traveling in the perturbed metic, is calculated by solving
the geodesic equation of propagating light.
In this thesis, we calculate the Sachs-Wolfe effect up to second order
by choosing the longitudinal gauge. Also, we use the gradient expansion
method in order to deal with the superhorizon mode.
- ☞ 이 논문은 저자가 원문공개에 동의하지 않은 논문으로, 도서관 내에서만 열람이 가능하며, 인쇄 및 저장은 불가합니다.
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