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hep-th2008★ 183 cited
Generation of fluctuations during inflation: comparison of stochastic and field-theoretic approaches
F. Finelli, G. Marozzi, A. A. Starobinsky +2
We prove that the stochastic and standard field-theoretical approaches produce exactly the same results for the amount of light massive scalar field fluctuations generated during i…
gr-qc2008★ 11 cited
Trans-Planckian Physics from a Nonlinear Dispersion Relation
S. E. Joras, G. Marozzi
We study a particular nonlinear dispersion relation -- a series expansion in the physical wavenumber -- for modeling first-order corrections in the equation of mot…