99 citations
- Institute for Research in Fundamental SciencesIR15 papers
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astro-ph.CO2010★ 16 cited
Level Crossing Analysis of Cosmic Microwave Background Radiation: A method for detecting cosmic strings
M. Sadegh Movahed, Shahram Khosravi
In this paper we study the footprint of cosmic string as the topological defects in the very early universe on the cosmic microwave background radiation. We develop the method of l…
astro-ph.CO2010★ 87 cited
Anisotropic Inflation from Charged Scalar Fields
Razieh Emami, Hassan Firouzjahi, S. M. Sadegh Movahed +1
We consider models of inflation with U(1) gauge fields and charged scalar fields including symmetry breaking potential, chaotic inflation and hybrid inflation. We show that there e…
astro-ph.CO2009★ 15 cited
Observational tests of a two parameter power-law class modified gravity in Palatini formalism
Shant Baghram, M. Sadegh Movahed, Sohrab Rahvar
{\bf{CONTEXT}}: In this work we propose a modified gravity action with two free parameters of and and derive the dynamics of a universe for t…