Cosmological Tests of Gravity

Publicaciones

Unified framework for early dark energy from α -attractors

Autores: Matteo Braglia, William T. Emond, Fabio Finelli, A. Emir Gümrükçüoğlu, Kazuya Koyama
Publicado en: Physical Review D, Edición 102/8, 2020, Página(s) 3513, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/physrevd.102.083513

φenics: Vainshtein screening with the finite element method

Autores: Jonathan Braden, Clare Burrage, Benjamin Elder, Daniela Saadeh
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2021/03, 2021, Página(s) 010, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2021/03/010

Cosmic acceleration and growth of structure in massive gravity

Autores: Michael Kenna-Allison, A. Emir Gümrükçüoğlu, Kazuya Koyama
Publicado en: Physical Review D, Edición 102/10, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.102.103524

Testing Brans-Dicke gravity with screening by scalar gravitational wave memory

Autores: Kazuya Koyama
Publicado en: Physical Review D, Edición 102/2, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.102.021502

Novel Probes Project: Tests of gravity on astrophysical scales

Autores: Tessa Baker, Alexandre Barreira, Harry Desmond, Pedro Ferreira, Bhuvnesh Jain, Kazuya Koyama, Baojiu Li, Lucas Lombriser, Andrina Nicola, Jeremy Sakstein, Fabian Schmidt
Publicado en: Reviews of Modern Physics, Edición 93/1, 2021, ISSN 0034-6861
Editor: American Physical Society
DOI: 10.1103/revmodphys.93.015003

Covariance of the redshift-space matter power spectrum after reconstruction

Autores: Chiaki Hikage, Ryuichi Takahashi, Kazuya Koyama
Publicado en: Physical Review D, Edición 102/8, 2020, ISSN 2470-0010
Editor: Americal Physical Sciety
DOI: 10.1103/physrevd.102.083514

Massive gravity with nonminimal coupling

Autores: A. Emir Gümrükçüoğlu, Rampei Kimura, Kazuya Koyama
Publicado en: Physical Review D, Edición 101/12, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.101.124021

Early modified gravity in light of the H 0 tension and LSS data

Autores: Matteo Braglia, Mario Ballardini, Fabio Finelli, Kazuya Koyama
Publicado en: Physical Review D, Edición 103/4, 2021, Página(s) 3528, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/physrevd.103.043528

COLA with massive neutrinos

Autores: Bill S. Wright, Hans A. Winther, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/10, 2017, Página(s) 054-054, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/10/054

Perturbation theory for BAO reconstructed fields: One-loop results in the real-space matter density field

Autores: Chiaki Hikage, Kazuya Koyama, Alan Heavens
Publicado en: Physical Review D, Edición 96/4, 2017, Página(s) 043513, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.96.043513

A perturbative approach to the redshift space correlation function: beyond the Standard Model

Autores: Benjamin Bose, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/08, 2017, Página(s) 029-029, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/08/029

Stable cosmology in ghost-free quasidilaton theory

Autores: A. Emir Gümrükçüoğlu, Kazuya Koyama, Shinji Mukohyama
Publicado en: Physical Review D, Edición 96/4, 2017, Página(s) 044041, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/PhysRevD.96.044041

Hořava gravity after GW170817

Autores: A. Emir Gümrükçüoğlu, Mehdi Saravani, Thomas P. Sotiriou
Publicado en: Physical Review D, Edición 97/2, 2018, Página(s) 024032, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.97.024032

Stellar pulsations in beyond Horndeski gravity theories

Autores: Jeremy Sakstein, Michael Kenna-Allison, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/03, 2017, Página(s) 007-007, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/03/007

Towards strong field tests of beyond Horndeski gravity theories

Autores: Jeremy Sakstein, Eugeny Babichev, Kazuya Koyama, David Langlois, Ryo Saito
Publicado en: Physical Review D, Edición 95/6, 2017, Página(s) 064013, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.95.064013

Theoretical accuracy in cosmological growth estimation

Autores: Benjamin Bose, Kazuya Koyama, Wojciech A. Hellwing, Gong-Bo Zhao, Hans A. Winther
Publicado en: Physical Review D, Edición 96/2, 2017, Página(s) 023519, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/PhysRevD.96.023519

Relativistic initial conditions for N-body simulations

Autores: Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/06, 2017, Página(s) 043-043, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/06/043

Using voids to unscreen modified gravity

Autores: Bridget Falck, Kazuya Koyama, Gong-Bo Zhao, Marius Cautun
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 475/3, 2017, Página(s) 3262-3272, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx3288

General relativistic weak-field limit and Newtonian N-body simulations

Autores: Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/12, 2017, Página(s) 022-022, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/12/022

Vainshtein mechanism after GW170817

Autores: Marco Crisostomi, Kazuya Koyama
Publicado en: Physical Review D, Edición 97/2, 2018, Página(s) 021301, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.97.021301

Large-scale structure phenomenology of viable Horndeski theories

Autores: Simone Peirone, Kazuya Koyama, Levon Pogosian, Marco Raveri, Alessandra Silvestri
Publicado en: Physical Review D, Edición 97/4, 2018, Página(s) 043519, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.97.043519

Higher derivative field theories: degeneracy conditions and classes

Autores: Marco Crisostomi, Remko Klein, Diederik Roest
Publicado en: Journal of High Energy Physics, Edición 2017/6, 2017, Página(s) 124, ISSN 1029-8479
Editor: Institute of Physics Publishing
DOI: 10.1007/JHEP06(2017)124

Beyond Lovelock gravity: Higher derivative metric theories

Autores: M. Crisostomi, K. Noui, C. Charmousis, D. Langlois
Publicado en: Physical Review D, Edición 97/4, 2018, Página(s) 044034, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.97.044034

Horndeski: beyond, or not beyond?

Autores: Marco Crisostomi, Matthew Hull, Kazuya Koyama, Gianmassimo Tasinato
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/03, 2016, Página(s) 038-038, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/03/038

Acausality in nonlocal gravity theory

Autores: Ying-li Zhang, Kazuya Koyama, Misao Sasaki, Gong-Bo Zhao
Publicado en: Journal of High Energy Physics, Edición 2016/3, 2016, Página(s) 039, ISSN 1029-8479
Editor: Institute of Physics Publishing
DOI: 10.1007/JHEP03(2016)039

Towards precision constraints on gravity with the Effective Field Theory of Large-Scale Structure

Autores: Benjamin Bose, Kazuya Koyama, Matthew Lewandowski, Filippo Vernizzi, Hans A. Winther
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2018/04, 2018, Página(s) 063-063, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2018/04/063

Self-accelerating universe in scalar-tensor theories after GW170817

Autores: Marco Crisostomi, Kazuya Koyama
Publicado en: Physical Review D, Edición 97/8, 2018, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.97.084004

The intrinsic matter bispectrum in ΛCDM

Autores: Thomas Tram, Christian Fidler, Robert Crittenden, Kazuya Koyama, Guido W. Pettinari, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/05, 2016, Página(s) 058-058, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/05/058

Simulation tests of galaxy cluster constraints on chameleon gravity

Autores: Harry Wilcox, Robert C. Nichol, Gong-Bo Zhao, David Bacon, Kazuya Koyama, A. Kathy Romer
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 462/1, 2016, Página(s) 715-725, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw1617

Testing gravity using galaxy clusters: new constraints on beyond Horndeski theories

Autores: Jeremy Sakstein, Harry Wilcox, David Bacon, Kazuya Koyama, Robert C. Nichol
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/07, 2016, Página(s) 019-019, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/07/019

A perturbative approach to the redshift space power spectrum: beyond the Standard Model

Autores: Benjamin Bose, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/08, 2016, Página(s) 032-032, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/08/032

Relativistic interpretation of Newtonian simulations for cosmic structure formation

Autores: Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/09, 2016, Página(s) 031-031, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/09/031

Covariantized vector Galileons

Autores: Matthew Hull, Kazuya Koyama, Gianmassimo Tasinato
Publicado en: Physical Review D, Edición 93/6, 2016, Página(s) 064012, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.93.064012

Probing theories of gravity with phase space-inferred potentials of galaxy clusters

Autores: Alejo Stark, Christopher J. Miller, Nicholas Kern, Daniel Gifford, Gong-Bo Zhao, Baojiu Li, Kazuya Koyama, Robert C. Nichol
Publicado en: Physical Review D, Edición 93/8, 2016, Página(s) 084036, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.93.084036

Extended scalar-tensor theories of gravity

Autores: Marco Crisostomi, Kazuya Koyama, Gianmassimo Tasinato
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/04, 2016, Página(s) 044-044, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/04/044

The extended Baryon Oscillation Spectroscopic Survey: a cosmological forecast

Autores: Gong-Bo Zhao, Yuting Wang, Ashley J. Ross, Sarah Shandera, Will J. Percival, Kyle S. Dawson, Jean-Paul Kneib, Adam D. Myers, Joel R. Brownstein, Johan Comparat, Timothée Delubac, Pengyuan Gao, Alireza Hojjati, Kazuya Koyama, Cameron K. McBride, Andrés Meza, Jeffrey A. Newman, Nathalie Palanque-Delabrouille, Levon Pogosian, Francisco Prada, Graziano Rossi, Donald P. Schneider, Hee-Jong Seo, Charl
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 457/3, 2016, Página(s) 2377-2390, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw135

A precise extragalactic test of General Relativity

Autores: Thomas E. Collett, Lindsay J. Oldham, Russell J. Smith, Matthew W. Auger, Kyle B. Westfall, David Bacon, Robert C. Nichol, Karen L. Masters, Kazuya Koyama, Remco van den Bosch
Publicado en: Science, Edición 360/6395, 2018, Página(s) 1342-1346, ISSN 0036-8075
Editor: American Association for the Advancement of Science
DOI: 10.1126/science.aao2469

The observed galaxy bispectrum from single-field inflation in the squeezed limit

Autores: Kazuya Koyama, Obinna Umeh, Roy Maartens, Daniele Bertacca
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2018/07, 2018, Página(s) 050-050, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2018/07/050

Non-Gaussianity from axion-gauge fields interactions during inflation

Autores: Emanuela Dimastrogiovanni, Matteo Fasiello, Robert J. Hardwick, Hooshyar Assadullahi, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2018/11, 2018, Página(s) 029-029, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2018/11/029

A new approach to cosmological structure formation with massive neutrinos

Autores: Christian Fidler, Alexander Kleinjohann, Thomas Tram, Cornelius Rampf, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/01, 2019, Página(s) 025-025, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/01/025

Phenomenology of large scale structure in scalar-tensor theories: Joint prior covariance of w DE , Σ , and μ in Horndeski theories

Autores: Juan Espejo, Simone Peirone, Marco Raveri, Kazuya Koyama, Levon Pogosian, Alessandra Silvestri
Publicado en: Physical Review D, Edición 99/2, 2019, Página(s) 023512, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.99.023512

Cosmological evolution in DHOST theories

Autores: M. Crisostomi, K. Koyama, D. Langlois, K. Noui, D.A. Steer
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/01, 2019, Página(s) 030-030, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/01/030

Tracker and scaling solutions in DHOST theories

Autores: Noemi Frusciante, Ryotaro Kase, Kazuya Koyama, Shinji Tsujikawa, Daniele Vernieri
Publicado en: Physics Letters B, Edición 790, 2019, Página(s) 167-175, ISSN 0370-2693
Editor: Elsevier BV
DOI: 10.1016/j.physletb.2019.01.009

Generalizing the matter coupling in massive gravity: A search for new interactions

Autores: A. Emir Gümrükçüoğlu, Kazuya Koyama
Publicado en: Physical Review D, Edición 99/8, 2019, Página(s) 084004, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/physrevd.99.084004

Constraining Curvatonic Reheating

Autores: Robert J. Hardwick, Vincent Vennin, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2016/08, 2016, Página(s) 042, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2016/08/042

Degenerate higher order scalar-tensor theories beyond Horndeski up to cubic order

Autores: J. Ben Achour, M. Crisostomi, K. Koyama, D. Langlois, K. Noui, G. Tasinato
Publicado en: Journal of High Energy Physics, Edición 2016/12, 2016, Página(s) 100, ISSN 1029-8479
Editor: Institute of Physics Publishing
DOI: 10.1007/JHEP12(2016)100

Role of matter in extended quasidilaton massive gravity

Autores: A. Emir Gümrükçüoğlu, Kazuya Koyama, and Shinji Mukohyama
Publicado en: Physical Review D, Edición 94, 2016, Página(s) 123510, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.94.123510

Speeding up N-body simulations of modified gravity: chameleon screening models

Autores: Sownak Bose, Baojiu Li, Alexandre Barreira, Jian-hua He, Wojciech A. Hellwing, Kazuya Koyama, Claudio Llinares and Gong-Bo Zhao
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 02, 2017, Página(s) 050, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/02/050

Cosmological Tests of Modified Gravity

Autores: Kazuya Koyama
Publicado en: Reports on Progress in Physics, Edición 79, 2016, Página(s) 4, ISSN 0034-4885
Editor: Institute of Physics Publishing
DOI: 10.1088/0034-4885/79/4/046902

The effect of baryons on redshift space distortions and cosmic density and velocity fields in the EAGLE simulation

Autores: Wojciech A. Hellwing, Matthieu Schaller, Carlos S. Frenk, Tom Theuns, Joop Schaye, Richard G. Bower, Robert A. Crain
Publicado en: Monthly Notices of the Royal Astronomical Society: Letters, Edición 461/1, 2016, Página(s) L11-L15, ISSN 1745-3933
Editor: Blackwell Publishing
DOI: 10.1093/mnrasl/slw081

Not a Copernican observer: biased peculiar velocity statistics in the local Universe

Autores: Wojciech A. Hellwing, Adi Nusser, Martin Feix, Maciej Bilicki
Publicado en: Monthly Notices of the Royal Astronomical Society, 2017, Página(s) stx213, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx213

Real- and redshift-space halo clustering in f ( R ) cosmologies

Autores: Pablo Arnalte-Mur, Wojciech A. Hellwing, Peder Norberg
Publicado en: Monthly Notices of the Royal Astronomical Society, 2017, Página(s) stx196, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx196

Substructure and galaxy formation in the Copernicus Complexio warm dark matter simulations

Autores: Sownak Bose, Wojciech A. Hellwing, Carlos S. Frenk, Adrian Jenkins, Mark R. Lovell, John C. Helly Baojiu Li Violeta Gonzalez-Perez Liang Gao
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 464, 2017, Página(s) 4520, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw2686

Viability of bigravity cosmology

Autores: Michael Kenna-Allison, A. Emir Gümrükçüoǧlu, Kazuya Koyama
Publicado en: Physical Review D, Edición 99/10, 2019, Página(s) 104032, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.99.104032

Testing emergent gravity on galaxy cluster scales

Autores: Andrius Tamosiunas, David Bacon, Kazuya Koyama, Robert C. Nichol
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/05, 2019, Página(s) 053-053, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/05/053

Investigating the degeneracy between modified gravity and massive neutrinos with redshift-space distortions

Autores: Bill S. Wright, Kazuya Koyama, Hans A. Winther, Gong-Bo Zhao
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/06, 2019, Página(s) 040-040, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/06/040

General relativistic effects in the galaxy bias at second order

Autores: Obinna Umeh, Kazuya Koyama, Roy Maartens, Fabian Schmidt, Chris Clarkson
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/05, 2019, Página(s) 020-020, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/05/020

Emulators for the nonlinear matter power spectrum beyond Λ CDM

Autores: Hans A. Winther, Santiago Casas, Marco Baldi, Kazuya Koyama, Baojiu Li, Lucas Lombriser, Gong-Bo Zhao
Publicado en: Physical Review D, Edición 100/12, 2019, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.100.123540

Assessing non-linear models for galaxy clustering III: theoretical accuracy for stage IV surveys

Autores: Benjamin Bose, Kazuya Koyama, Hans A. Winther
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/10, 2019, Página(s) 021-021, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/10/021

The galaxy bias at second order in general relativity with non-Gaussian initial conditions

Autores: Obinna Umeh, Kazuya Koyama
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2019/12, 2019, Página(s) 048-048, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2019/12/048

Relativistic stars in a cubic Galileon universe

Autores: Hiromu Ogawa, Tsutomu Kobayashi, Kazuya Koyama
Publicado en: Physical Review D, Edición 101/2, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.101.024026

Marked correlation functions in perturbation theory

Autores: Alejandro Aviles, Kazuya Koyama, Jorge L. Cervantes-Cota, Hans A. Winther, Baojiu Li
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2020/01, 2020, Página(s) 006-006, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2020/01/006

Perturbation theory for the redshift-space matter power spectra after reconstruction

Autores: Chiaki Hikage, Kazuya Koyama, Ryuichi Takahashi
Publicado en: Physical Review D, Edición 101/4, 2020, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/physrevd.101.043510

Role of matter in gravitation: Going beyond the Einstein-Maxwell theory

Autores: A. Emir Gümrükçüoğlu, Ryo Namba
Publicado en: Physical Review D, Edición 100/12, 2019, ISSN 2470-0010
Editor: Americal Physical Society
DOI: 10.1103/physrevd.100.124064

Dark matter haloes in modified gravity and dark energy: interaction rate, small- and large-scale alignment

Autores: Benjamin L?Huillier, Hans A. Winther, David F. Mota, Changbom Park, Juhan Kim
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 468/3, 2017, Página(s) 3174-3183, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx700

COLA with scale-dependent growth: applications to screened modified gravity models

Autores: Hans A. Winther, Kazuya Koyama, Marc Manera, Bill S. Wright, Gong-Bo Zhao
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2017/08, 2017, Página(s) 006-006, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2017/08/006

Revealing modified gravity signals in matter and halo hierarchical clustering

Autores: Wojciech A. Hellwing, Kazuya Koyama, Benjamin Bose, Gong-Bo Zhao
Publicado en: Physical Review D, Edición 96/2, 2017, Página(s) 023515, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/PhysRevD.96.023515

Investigating cosmological GAN emulators using latent space interpolation

Autores: Andrius Tamosiunas, Hans A Winther, Kazuya Koyama, David J Bacon, Robert C Nichol, Ben Mawdsley
Publicado en: Monthly Notices of the Royal Astronomical Society, Edición 506/2, 2021, Página(s) 3049-3067, ISSN 0035-8711
Editor: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab1879

Relativistic corrections to the growth of structure in modified gravity

Autores: Guilherme Brando, Kazuya Koyama, David Wands
Publicado en: Journal of Cosmology and Astroparticle Physics, Edición 2021/01, 2021, Página(s) 013-013, ISSN 1475-7516
Editor: Institute of Physics
DOI: 10.1088/1475-7516/2021/01/013

Larger value for H 0 by an evolving gravitational constant

Autores: Matteo Braglia, Mario Ballardini, William T. Emond, Fabio Finelli, A. Emir Gümrükçüoğlu, Kazuya Koyama, Daniela Paoletti
Publicado en: Physical Review D, Edición 102/2, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.102.023529

Stable cosmology in generalized massive gravity

Autores: Michael Kenna-Allison, A. Emir Gümrükçüoğlu, Kazuya Koyama
Publicado en: Physical Review D, Edición 101/8, 2020, ISSN 2470-0010
Editor: American Physical Society
DOI: 10.1103/physrevd.101.084014

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