91 citations · 678 across the 25 of their papers we have counts for
26 papers
First test of the consistency relation for the large-scale structure using the anisotropic three-point correlation function of BOSS DR12 galaxies (An explanatory video is available at https://youtu.be/Zi36ooLPhss.)
Naonori S. Sugiyama, Daisuke Yamauchi, Tsutomu Kobayashi +6
We present, for the first time, an observational test of the consistency relation for the large-scale structure (LSS) of the Universe through a joint analysis of the anisotropic tw…
Triumvirate: A Python/C++ package for three-point clustering measurements
Mike Shengbo Wang, Florian Beutler, Naonori S. Sugiyama
Triumvirate is a Python/C++ package for measuring the three-point clustering statistics in large-scale structure (LSS) cosmological analyses. Given a catalogue of discrete particle…
New constraints on cosmological modified gravity theories from anisotropic three-point correlation functions of BOSS DR12 galaxies
Naonori S. Sugiyama, Daisuke Yamauchi, Tsutomu Kobayashi +6
We report a new test of modified gravity theories using the large-scale structure of the Universe. This paper is the first attempt to (1) apply a joint analysis of the anisotropic…
Second-order peculiar velocity field as a novel probe of scalar-tensor theories
Daisuke Yamauchi, Naonori S. Sugiyama
We investigate the galaxy bispectrum induced by the nonlinear gravitational evolution as a possible probe to constrain degenerate higher-order scalar tensor (DHOST) theories. We fi…
Towards a self-consistent analysis of the anisotropic galaxy two- and three-point correlation functions on large scales: application to mock galaxy catalogues
Naonori S. Sugiyama, Shun Saito, Florian Beutler +1
We establish a practical method for the joint analysis of anisotropic galaxy two- and three-point correlation functions (2PCF and 3PCF) on the basis of the decomposition formalism…
Constraining Primordial Non-Gaussianity with Post-reconstructed Galaxy Bispectrum in Redshift Space
Masato Shirasaki, Naonori S. Sugiyama, Ryuichi Takahashi +1
Galaxy bispectrum is a promising probe of inflationary physics in the early universe as a measure of primordial non-Gaussianity (PNG), whereas its signal-to-noise ratio is signific…
Minimum variance estimation of galaxy power spectrum in redshift space
Maresuke Shiraishi, Teppei Okumura, Naonori S. Sugiyama +1
We study an efficient way to enhance the measurability of the galaxy density and/or velocity power spectrum in redshift space. It is based on the angular decomposition with the Tri…
A Space Mission to Map the Entire Observable Universe using the CMB as a Backlight
Kaustuv Basu, Mathieu Remazeilles, Jean-Baptiste Melin +22
This Science White Paper, prepared in response to the ESA Voyage 2050 call for long-term mission planning, aims to describe the various science possibilities that can be realized w…
Microwave Spectro-Polarimetry of Matter and Radiation across Space and Time
Jacques Delabrouille, Maximilian H. Abitbol, Nabila Aghanim +77
This paper discusses the science case for a sensitive spectro-polarimetric survey of the microwave sky. Such a survey would provide a tomographic and dynamic census of the three-di…
Perturbation theory approach to predict the covariance matrices of the galaxy power spectrum and bispectrum in redshift space
Naonori S. Sugiyama, Shun Saito, Florian Beutler +1
In this paper, we predict the covariance matrices of both the power spectrum and the bispectrum, including full non-Gaussian contributions, redshift space distortions, linear bias…
Super-sample tidal modes on the celestial sphere
Kazuyuki Akitsu, Naonori S. Sugiyama, Maresuke Shiraishi
The super-sample tidal effect carries information on long-wavelength fluctuations that we cannot measure directly. It arises from the mode-coupling between short-wavelength and lon…
A complete FFT-based decomposition formalism for the redshift-space bispectrum
Naonori S. Sugiyama, Shun Saito, Florian Beutler +1
To fully extract cosmological information from nonlinear galaxy distribution in redshift space, it is essential to include higher-order statistics beyond the two-point correlation…
A direct measure of free electron gas via the Kinematic Sunyaev-Zel'dovich effect in Fourier-space analysis
Naonori S. Sugiyama, Teppei Okumura, David N. Spergel
We present the measurement of the kinematic Sunyaev-Zel'dovich (kSZ) effect in Fourier space, rather than in real space. We measure the density-weighted pairwise kSZ power spectrum…
Limits on statistical anisotropy from BOSS DR12 galaxies using bipolar spherical harmonics
Naonori S. Sugiyama, Maresuke Shiraishi, Teppei Okumura
We measure statistically anisotropic signatures imprinted in three-dimensional galaxy clustering using bipolar spherical harmonics (BipoSHs) in both Fourier space and configuration…
Polypolar spherical harmonic decomposition of galaxy correlators in redshift space: Toward testing cosmic rotational symmetry
Maresuke Shiraishi, Naonori S. Sugiyama, Teppei Okumura
We propose an efficient way to test rotational invariance in the cosmological perturbations by use of galaxy correlation functions. In symmetry-breaking cases, the galaxy power spe…
Will Kinematic Sunyaev-Zel'dovich Measurements Enhance the Science Return from Galaxy Redshift Surveys?
Naonori S. Sugiyama, Teppei Okumura, David N. Spergel
Yes. Future CMB experiments such as Advanced ACTPol and CMB-S4 should achieve measurements with S/N of for the typical galaxies in redshift surveys. These measurements will…
Understanding redshift space distortions in density-weighted peculiar velocity
Naonori S. Sugiyama, Teppei Okumura, David N. Spergel
Observations of the kinetic Sunyaev-Zel'dovich (kSZ) effect measure the density-weighted velocity field, a potentially powerful cosmological probe. This paper presents an analytica…
Using Lagrangian perturbation theory for precision cosmology
Naonori S. Sugiyama
We explore the Lagrangian perturbation theory (LPT) at 1-loop order with Gaussian initial conditions. We present an expansion method to approximately compute the power spectrum in…
How does non-linear dynamics affect the baryon acoustic oscillation?
Naonori S. Sugiyama, David N. Spergel
We study the non-linear behavior of the baryon acoustic oscillation in the power spectrum and the correlation function by decomposing the dark matter perturbations into the short-…
Relation between standard perturbation theory and regularized multi-point propagator method
Naonori S. Sugiyama, Toshifumi Futamase
We investigate the relation between the regularized multi-propagator method, called "Reg PT", and the standard perturbation theory. Reg PT is one of the most successful models to d…
Toward an accurate Dark Matter power spectrum beyond BAO scales
Naonori S. Sugiyama, Toshifumi Futamase
We propose a new approximated expression for non-linear Dark Matter power spectrum much beyond BAO scales. The proposed expression agrees with the result of N-body simulation with…
An Application of Wiener Hermite Expansion to Non-linear Evolution of Dark Matter
Naonori S. Sugiyama, Toshifumi Futamase
We apply the Wiener Hermite (WH) expansion to the non-linear evolution of Large-Scale Structure, and obtain an approximate expression for the matter power spectrum in full order of…
δN formalism
Naonori S. Sugiyama, Eiichiro Komatsu, Toshifumi Futamase
Precise understanding of nonlinear evolution of cosmological perturbations during inflation is necessary for the correct interpretation of measurements of non-Gaussian correlations…
Consistency Relation for multifield inflation scenario with all loop contributions
Naonori S. Sugiyama
The consistency relation between non-linear parameters and characterizing Non-Gaussianity generated during the inflationary period have been emerged as a useful t…