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astro-ph2008★ 17 cited
Non-Gaussianity in three fluid curvaton model
Tuomas Multamaki, Jani Sainio, Iiro Vilja
The generation of non-gaussianity is studied in a three fluid curvaton model. By utilizing second order perturbation theory we derive general formulae for the large scale temperatu…
astro-ph2007★ 58 cited
Stellar configurations in f(R) theories of gravity
K. Henttunen, T. Multamaki, I. Vilja
We study stellar configurations and the space-time around them in metric theories of gravity. In particular, we focus on the polytropic model of the Sun in the $f(R)=R-μ^4/R…