Cosmological Tests of Gravity

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Links to deliverables and publications from FP7 projects, as well as links to some specific result types such as dataset and software, are dynamically retrieved from OpenAIRE .

Publications

Unified framework for early dark energy from α -attractors

Author(s): Matteo Braglia, William T. Emond, Fabio Finelli, A. Emir Gümrükçüoğlu, Kazuya Koyama
Published in: Physical Review D, Issue 102/8, 2020, Page(s) 3513, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/physrevd.102.083513

φenics: Vainshtein screening with the finite element method

Author(s): Jonathan Braden, Clare Burrage, Benjamin Elder, Daniela Saadeh
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2021/03, 2021, Page(s) 010, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2021/03/010

Cosmic acceleration and growth of structure in massive gravity

Author(s): Michael Kenna-Allison, A. Emir Gümrükçüoğlu, Kazuya Koyama
Published in: Physical Review D, Issue 102/10, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.102.103524

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

Author(s): Kazuya Koyama
Published in: Physical Review D, Issue 102/2, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.102.021502

Novel Probes Project: Tests of gravity on astrophysical scales

Author(s): Tessa Baker, Alexandre Barreira, Harry Desmond, Pedro Ferreira, Bhuvnesh Jain, Kazuya Koyama, Baojiu Li, Lucas Lombriser, Andrina Nicola, Jeremy Sakstein, Fabian Schmidt
Published in: Reviews of Modern Physics, Issue 93/1, 2021, ISSN 0034-6861
Publisher: American Physical Society
DOI: 10.1103/revmodphys.93.015003

Covariance of the redshift-space matter power spectrum after reconstruction

Author(s): Chiaki Hikage, Ryuichi Takahashi, Kazuya Koyama
Published in: Physical Review D, Issue 102/8, 2020, ISSN 2470-0010
Publisher: Americal Physical Sciety
DOI: 10.1103/physrevd.102.083514

Massive gravity with nonminimal coupling

Author(s): A. Emir Gümrükçüoğlu, Rampei Kimura, Kazuya Koyama
Published in: Physical Review D, Issue 101/12, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.101.124021

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

Author(s): Matteo Braglia, Mario Ballardini, Fabio Finelli, Kazuya Koyama
Published in: Physical Review D, Issue 103/4, 2021, Page(s) 3528, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/physrevd.103.043528

COLA with massive neutrinos

Author(s): Bill S. Wright, Hans A. Winther, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/10, 2017, Page(s) 054-054, ISSN 1475-7516
Publisher: 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

Author(s): Chiaki Hikage, Kazuya Koyama, Alan Heavens
Published in: Physical Review D, Issue 96/4, 2017, Page(s) 043513, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.96.043513

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

Author(s): Benjamin Bose, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/08, 2017, Page(s) 029-029, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/08/029

Stable cosmology in ghost-free quasidilaton theory

Author(s): A. Emir Gümrükçüoğlu, Kazuya Koyama, Shinji Mukohyama
Published in: Physical Review D, Issue 96/4, 2017, Page(s) 044041, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/PhysRevD.96.044041

Hořava gravity after GW170817

Author(s): A. Emir Gümrükçüoğlu, Mehdi Saravani, Thomas P. Sotiriou
Published in: Physical Review D, Issue 97/2, 2018, Page(s) 024032, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.97.024032

Stellar pulsations in beyond Horndeski gravity theories

Author(s): Jeremy Sakstein, Michael Kenna-Allison, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/03, 2017, Page(s) 007-007, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/03/007

Towards strong field tests of beyond Horndeski gravity theories

Author(s): Jeremy Sakstein, Eugeny Babichev, Kazuya Koyama, David Langlois, Ryo Saito
Published in: Physical Review D, Issue 95/6, 2017, Page(s) 064013, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.95.064013

Theoretical accuracy in cosmological growth estimation

Author(s): Benjamin Bose, Kazuya Koyama, Wojciech A. Hellwing, Gong-Bo Zhao, Hans A. Winther
Published in: Physical Review D, Issue 96/2, 2017, Page(s) 023519, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/PhysRevD.96.023519

Relativistic initial conditions for N-body simulations

Author(s): Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/06, 2017, Page(s) 043-043, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/06/043

Using voids to unscreen modified gravity

Author(s): Bridget Falck, Kazuya Koyama, Gong-Bo Zhao, Marius Cautun
Published in: Monthly Notices of the Royal Astronomical Society, Issue 475/3, 2017, Page(s) 3262-3272, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx3288

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

Author(s): Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/12, 2017, Page(s) 022-022, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/12/022

Vainshtein mechanism after GW170817

Author(s): Marco Crisostomi, Kazuya Koyama
Published in: Physical Review D, Issue 97/2, 2018, Page(s) 021301, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.97.021301

Large-scale structure phenomenology of viable Horndeski theories

Author(s): Simone Peirone, Kazuya Koyama, Levon Pogosian, Marco Raveri, Alessandra Silvestri
Published in: Physical Review D, Issue 97/4, 2018, Page(s) 043519, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.97.043519

Higher derivative field theories: degeneracy conditions and classes

Author(s): Marco Crisostomi, Remko Klein, Diederik Roest
Published in: Journal of High Energy Physics, Issue 2017/6, 2017, Page(s) 124, ISSN 1029-8479
Publisher: Institute of Physics Publishing
DOI: 10.1007/JHEP06(2017)124

Beyond Lovelock gravity: Higher derivative metric theories

Author(s): M. Crisostomi, K. Noui, C. Charmousis, D. Langlois
Published in: Physical Review D, Issue 97/4, 2018, Page(s) 044034, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.97.044034

Horndeski: beyond, or not beyond?

Author(s): Marco Crisostomi, Matthew Hull, Kazuya Koyama, Gianmassimo Tasinato
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/03, 2016, Page(s) 038-038, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/03/038

Acausality in nonlocal gravity theory

Author(s): Ying-li Zhang, Kazuya Koyama, Misao Sasaki, Gong-Bo Zhao
Published in: Journal of High Energy Physics, Issue 2016/3, 2016, Page(s) 039, ISSN 1029-8479
Publisher: Institute of Physics Publishing
DOI: 10.1007/JHEP03(2016)039

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

Author(s): Benjamin Bose, Kazuya Koyama, Matthew Lewandowski, Filippo Vernizzi, Hans A. Winther
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2018/04, 2018, Page(s) 063-063, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2018/04/063

Self-accelerating universe in scalar-tensor theories after GW170817

Author(s): Marco Crisostomi, Kazuya Koyama
Published in: Physical Review D, Issue 97/8, 2018, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.97.084004

The intrinsic matter bispectrum in ΛCDM

Author(s): Thomas Tram, Christian Fidler, Robert Crittenden, Kazuya Koyama, Guido W. Pettinari, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/05, 2016, Page(s) 058-058, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/05/058

Simulation tests of galaxy cluster constraints on chameleon gravity

Author(s): Harry Wilcox, Robert C. Nichol, Gong-Bo Zhao, David Bacon, Kazuya Koyama, A. Kathy Romer
Published in: Monthly Notices of the Royal Astronomical Society, Issue 462/1, 2016, Page(s) 715-725, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw1617

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

Author(s): Jeremy Sakstein, Harry Wilcox, David Bacon, Kazuya Koyama, Robert C. Nichol
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/07, 2016, Page(s) 019-019, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/07/019

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

Author(s): Benjamin Bose, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/08, 2016, Page(s) 032-032, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/08/032

Relativistic interpretation of Newtonian simulations for cosmic structure formation

Author(s): Christian Fidler, Thomas Tram, Cornelius Rampf, Robert Crittenden, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/09, 2016, Page(s) 031-031, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/09/031

Covariantized vector Galileons

Author(s): Matthew Hull, Kazuya Koyama, Gianmassimo Tasinato
Published in: Physical Review D, Issue 93/6, 2016, Page(s) 064012, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.93.064012

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

Author(s): Alejo Stark, Christopher J. Miller, Nicholas Kern, Daniel Gifford, Gong-Bo Zhao, Baojiu Li, Kazuya Koyama, Robert C. Nichol
Published in: Physical Review D, Issue 93/8, 2016, Page(s) 084036, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.93.084036

Extended scalar-tensor theories of gravity

Author(s): Marco Crisostomi, Kazuya Koyama, Gianmassimo Tasinato
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/04, 2016, Page(s) 044-044, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/04/044

The extended Baryon Oscillation Spectroscopic Survey: a cosmological forecast

Author(s): 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
Published in: Monthly Notices of the Royal Astronomical Society, Issue 457/3, 2016, Page(s) 2377-2390, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stw135

A precise extragalactic test of General Relativity

Author(s): 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
Published in: Science, Issue 360/6395, 2018, Page(s) 1342-1346, ISSN 0036-8075
Publisher: American Association for the Advancement of Science
DOI: 10.1126/science.aao2469

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

Author(s): Kazuya Koyama, Obinna Umeh, Roy Maartens, Daniele Bertacca
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2018/07, 2018, Page(s) 050-050, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2018/07/050

Non-Gaussianity from axion-gauge fields interactions during inflation

Author(s): Emanuela Dimastrogiovanni, Matteo Fasiello, Robert J. Hardwick, Hooshyar Assadullahi, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2018/11, 2018, Page(s) 029-029, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2018/11/029

A new approach to cosmological structure formation with massive neutrinos

Author(s): Christian Fidler, Alexander Kleinjohann, Thomas Tram, Cornelius Rampf, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/01, 2019, Page(s) 025-025, ISSN 1475-7516
Publisher: 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

Author(s): Juan Espejo, Simone Peirone, Marco Raveri, Kazuya Koyama, Levon Pogosian, Alessandra Silvestri
Published in: Physical Review D, Issue 99/2, 2019, Page(s) 023512, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.99.023512

Cosmological evolution in DHOST theories

Author(s): M. Crisostomi, K. Koyama, D. Langlois, K. Noui, D.A. Steer
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/01, 2019, Page(s) 030-030, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/01/030

Tracker and scaling solutions in DHOST theories

Author(s): Noemi Frusciante, Ryotaro Kase, Kazuya Koyama, Shinji Tsujikawa, Daniele Vernieri
Published in: Physics Letters B, Issue 790, 2019, Page(s) 167-175, ISSN 0370-2693
Publisher: Elsevier BV
DOI: 10.1016/j.physletb.2019.01.009

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

Author(s): A. Emir Gümrükçüoğlu, Kazuya Koyama
Published in: Physical Review D, Issue 99/8, 2019, Page(s) 084004, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/physrevd.99.084004

Constraining Curvatonic Reheating

Author(s): Robert J. Hardwick, Vincent Vennin, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2016/08, 2016, Page(s) 042, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2016/08/042

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

Author(s): J. Ben Achour, M. Crisostomi, K. Koyama, D. Langlois, K. Noui, G. Tasinato
Published in: Journal of High Energy Physics, Issue 2016/12, 2016, Page(s) 100, ISSN 1029-8479
Publisher: Institute of Physics Publishing
DOI: 10.1007/JHEP12(2016)100

Role of matter in extended quasidilaton massive gravity

Author(s): A. Emir Gümrükçüoğlu, Kazuya Koyama, and Shinji Mukohyama
Published in: Physical Review D, Issue 94, 2016, Page(s) 123510, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.94.123510

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

Author(s): Sownak Bose, Baojiu Li, Alexandre Barreira, Jian-hua He, Wojciech A. Hellwing, Kazuya Koyama, Claudio Llinares and Gong-Bo Zhao
Published in: Journal of Cosmology and Astroparticle Physics, Issue 02, 2017, Page(s) 050, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/02/050

Cosmological Tests of Modified Gravity

Author(s): Kazuya Koyama
Published in: Reports on Progress in Physics, Issue 79, 2016, Page(s) 4, ISSN 0034-4885
Publisher: 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

Author(s): Wojciech A. Hellwing, Matthieu Schaller, Carlos S. Frenk, Tom Theuns, Joop Schaye, Richard G. Bower, Robert A. Crain
Published in: Monthly Notices of the Royal Astronomical Society: Letters, Issue 461/1, 2016, Page(s) L11-L15, ISSN 1745-3933
Publisher: Blackwell Publishing
DOI: 10.1093/mnrasl/slw081

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

Author(s): Wojciech A. Hellwing, Adi Nusser, Martin Feix, Maciej Bilicki
Published in: Monthly Notices of the Royal Astronomical Society, 2017, Page(s) stx213, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx213

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

Author(s): Pablo Arnalte-Mur, Wojciech A. Hellwing, Peder Norberg
Published in: Monthly Notices of the Royal Astronomical Society, 2017, Page(s) stx196, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx196

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

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

Viability of bigravity cosmology

Author(s): Michael Kenna-Allison, A. Emir Gümrükçüoǧlu, Kazuya Koyama
Published in: Physical Review D, Issue 99/10, 2019, Page(s) 104032, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.99.104032

Testing emergent gravity on galaxy cluster scales

Author(s): Andrius Tamosiunas, David Bacon, Kazuya Koyama, Robert C. Nichol
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/05, 2019, Page(s) 053-053, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/05/053

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

Author(s): Bill S. Wright, Kazuya Koyama, Hans A. Winther, Gong-Bo Zhao
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/06, 2019, Page(s) 040-040, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/06/040

General relativistic effects in the galaxy bias at second order

Author(s): Obinna Umeh, Kazuya Koyama, Roy Maartens, Fabian Schmidt, Chris Clarkson
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/05, 2019, Page(s) 020-020, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/05/020

Emulators for the nonlinear matter power spectrum beyond Λ CDM

Author(s): Hans A. Winther, Santiago Casas, Marco Baldi, Kazuya Koyama, Baojiu Li, Lucas Lombriser, Gong-Bo Zhao
Published in: Physical Review D, Issue 100/12, 2019, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.100.123540

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

Author(s): Benjamin Bose, Kazuya Koyama, Hans A. Winther
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/10, 2019, Page(s) 021-021, ISSN 1475-7516
Publisher: 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

Author(s): Obinna Umeh, Kazuya Koyama
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2019/12, 2019, Page(s) 048-048, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2019/12/048

Relativistic stars in a cubic Galileon universe

Author(s): Hiromu Ogawa, Tsutomu Kobayashi, Kazuya Koyama
Published in: Physical Review D, Issue 101/2, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.101.024026

Marked correlation functions in perturbation theory

Author(s): Alejandro Aviles, Kazuya Koyama, Jorge L. Cervantes-Cota, Hans A. Winther, Baojiu Li
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2020/01, 2020, Page(s) 006-006, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2020/01/006

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

Author(s): Chiaki Hikage, Kazuya Koyama, Ryuichi Takahashi
Published in: Physical Review D, Issue 101/4, 2020, ISSN 2470-0010
Publisher: Americal Physical Society
DOI: 10.1103/physrevd.101.043510

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

Author(s): A. Emir Gümrükçüoğlu, Ryo Namba
Published in: Physical Review D, Issue 100/12, 2019, ISSN 2470-0010
Publisher: 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

Author(s): Benjamin L?Huillier, Hans A. Winther, David F. Mota, Changbom Park, Juhan Kim
Published in: Monthly Notices of the Royal Astronomical Society, Issue 468/3, 2017, Page(s) 3174-3183, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stx700

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

Author(s): Hans A. Winther, Kazuya Koyama, Marc Manera, Bill S. Wright, Gong-Bo Zhao
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2017/08, 2017, Page(s) 006-006, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2017/08/006

Revealing modified gravity signals in matter and halo hierarchical clustering

Author(s): Wojciech A. Hellwing, Kazuya Koyama, Benjamin Bose, Gong-Bo Zhao
Published in: Physical Review D, Issue 96/2, 2017, Page(s) 023515, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/PhysRevD.96.023515

Investigating cosmological GAN emulators using latent space interpolation

Author(s): Andrius Tamosiunas, Hans A Winther, Kazuya Koyama, David J Bacon, Robert C Nichol, Ben Mawdsley
Published in: Monthly Notices of the Royal Astronomical Society, Issue 506/2, 2021, Page(s) 3049-3067, ISSN 0035-8711
Publisher: Blackwell Publishing Inc.
DOI: 10.1093/mnras/stab1879

Relativistic corrections to the growth of structure in modified gravity

Author(s): Guilherme Brando, Kazuya Koyama, David Wands
Published in: Journal of Cosmology and Astroparticle Physics, Issue 2021/01, 2021, Page(s) 013-013, ISSN 1475-7516
Publisher: Institute of Physics
DOI: 10.1088/1475-7516/2021/01/013

Larger value for H 0 by an evolving gravitational constant

Author(s): Matteo Braglia, Mario Ballardini, William T. Emond, Fabio Finelli, A. Emir Gümrükçüoğlu, Kazuya Koyama, Daniela Paoletti
Published in: Physical Review D, Issue 102/2, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.102.023529

Stable cosmology in generalized massive gravity

Author(s): Michael Kenna-Allison, A. Emir Gümrükçüoğlu, Kazuya Koyama
Published in: Physical Review D, Issue 101/8, 2020, ISSN 2470-0010
Publisher: American Physical Society
DOI: 10.1103/physrevd.101.084014

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