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On the velocity distribution in homogeneous isotropic turbulence: correlations and deviations from Gaussianity
homogeneous isotropic turbulence deviations Gaussianity Fluid Dynamics
2011/8/1
Abstract: We investigate the single-point probability density function of the velocity in three-dimensional stationary and decaying homogeneous isotropic turbulence. To this end we apply the statistic...
Galilean symmetry in the effective theory of inflation: new shapes of non-Gaussianity
Galilean symmetry effective theory inflation
2010/12/23
We study the consequences of imposing an approximate Galilean symmetry on the Effective Theory of Inflation, the theory of small perturbations around the inflationary background. This approach allows...
Galilean symmetry in the effective theory of inflation: new shapes of non-Gaussianity
Galilean symmetry effective theory of inflation shapes of non-Gaussianity
2010/12/21
We study the consequences of imposing an approximate Galilean symmetry on the Effective Theory
of Inflation, the theory of small perturbations around the inflationary background. This approach allows...
Non-Gaussianity of Racetrack Inflation Models
non-Gaussianity non-linear parameter racetrack inflation
2007/8/15
2007Vol.48No.1pp.189-192DOI:
Non-Gaussianity of Racetrack Inflation Models
SUN Cheng-Yi and ZHANG De-Hai
Department of Physics, The Graduate School of The Chinese Academ...