46 citations · 114 across the 9 of their papers we have counts for
4 papers · 1 filter
Window effect in the power spectrum analysis of a galaxy redshift survey
Takahiro Sato, Gert Hütsi, Gen Nakamura +1
We investigate the effect of the window function on the multipole power spectrum in two different ways. First, we consider the convolved power spectrum including the window effect,…
Constraint on the cosmological f(R) model from the multipole power spectrum of the SDSS luminous red galaxy sample and prospects for a future redshift survey
Kazuhiro Yamamoto, Gen Nakamura, Gert Huetsi +2
A constraint on the viable f(R) model is investigated by confronting theoretical predictions with the multipole power spectrum of the luminous red galaxy sample of the Sloan Digita…
Constraint on the growth factor of the cosmic structure from the damping of the baryon acoustic oscillation signature
Gen Nakamura, Gert Huetsi, Takahiro Sato +1
We determine a constraint on the growth factor by measuring the damping of the baryon acoustic oscillations in the matter power spectrum using the Sloan Digital Sky Survey luminous…
Breaking the scale invariance of the primordial power spectrum in Horava-Lifshitz Cosmology
Kazuhiro Yamamoto, Tsutomu Kobayashi, Gen Nakamura
We study the spectral tilt of primordial perturbations in Horava-Lifshitz cosmology. The uniform approximation, which is a generalization of the familiar Wentzel-Kramers-Brillouin…