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astro-ph1998★ 2 cited
Sample Variance of the Higher-Order Cumulants of Cosmic Density and Velocity Fields
Naoki Seto, Jun'ichi Yokoyama
If primordial fluctuation is Gaussian distributed, higher-order cumulants of the cosmic fields reflect nonlinear mode coupling and provide useful information of gravitational insta…
astro-ph1998★ 7 cited
Sample variance of the cosmic velocity field
Naoki Seto, Jun'ichi Yokoyama
Since the cosmic peculiar velocity field depends on small wave-number modes strongly, we cannot probe its universal properties unless we observe a sufficiently large region. We cal…