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Title: Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars

Abstract

We report a detection of the baryon acousticoscillation (BAO) feature in the flux-correlation function of the Lyα forest of high-redshift quasars with a statistical significance of five standard deviations. The study uses 137,562 quasars in the redshift range 2.1 ≤ z ≤ 3.5 from the data release 11 (DR11) of the Baryon Oscillation Spectroscopic Survey (BOSS) of SDSS-III. This sample contains three times the number of quasars used in previous studies. The measured position of the BAO peak determines the angular distance, DA(z = 2.34) and expansion rate, H(z = 2.34), both on a scale set by the sound horizon at the drag epoch, rd. We find DA/rd = 11.28 ± 0.65(1σ)$$+2.8\atop{-1.2}$$(2σ) and DH/rd = 9.18 ± 0.28(1σ) ± 0.6(2σ) where DH = c/H. The optimal combination, ~D$$0.7\atop{H}$$ D$0.3\atop{A}/rd is determined with a precision of ~2%. For the value rd = 147.4 Mpc, consistent with the cosmic microwave background power spectrum measured by Planck, we find DA(z = 2.34) = 1662 ± 96(1σ) Mpc and H(z = 2.34) = 222 ± 7(1σ) km s-1 Mpc-1. Tests with mock catalogs and variations of our analysis procedure have revealed no systematic uncertainties comparable to our statistical errors. Our results agree with the previously reported BAO measurement at the same redshift using the quasar-Lyα forest cross-correlation. The autocorrelation and cross-correlation approaches are complementary because of the quite different impact of redshift-space distortion on the two measurements. The combined constraints from the two correlation functions imply values of DA/rd that are 7% lower and 7% higher for DH/rd than the predictions of a flat ΛCDM cosmological model with the best-fit Planck parameters. With our estimated statistical errors, the significance of this discrepancy is ≈2.5σ.

Authors:
 [1];  [2];  [3];  [4];  [5];  [6];  [6];  [7];  [8];  [9];  [2];  [2];  [5];  [10];  [11];  [6];  [12];  [13];  [14];  [15] more »;  [4];  [5];  [16];  [17];  [9];  [18];  [19];  [12];  [4];  [20];  [20];  [21];  [22];  [6];  [23];  [24];  [4];  [25] « less
+ Show Author Affiliations
  1. Alternative Energies and Atomic Energy Commission (CEA), Saclay (France); Federal Inst. of Technology, Lausanne (Switzerland). Astrophysics Lab.
  2. CNRS/IN2P3. Univ. Paris (France). Observatoire de Paris. AstroParticule et Cosmologie (APC)
  3. CNRS/IN2P3. Univ. Paris (France). Observatoire de Paris. AstroParticule et Cosmologie (APC); Observatorio Nacional, Rio de Janeiro (Brazil); Institutional e-Astronomy Lab., Rio de Janeiro (Brazil)
  4. Alternative Energies and Atomic Energy Commission (CEA), Saclay (France)
  5. Univ. of California, Irvine, CA (United States). Dept. of Physics and Astronomy
  6. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
  7. Brookhaven National Lab. (BNL), Upton, NY (United States)
  8. Max Planck Inst. for Astronomie, Heidelberg (Germany)
  9. Univ. of Portsmouth (United Kingdom). Inst. of Cosmology and Gravitation
  10. Inst. for Advanced Study, Princeton, NJ (United States)
  11. Apache Point Observatory, Sunspot, NM (United States)
  12. Univ. of Utah, Salt Lake City, UT (United States). Dept. of Physics and Astronomy
  13. Harvard Univ., Cambridge, MA (United States). Harvard-Smithsonian Center for Astrophysics
  14. Univ of Barcelona, Barcelona (Spain). Inst. de Ciencies del Cosmos
  15. Federal Inst. of Technology, Lausanne (Switzerland). Astrophysics Lab.; Aix-Marseille Univ., and CNRS/LAM, Marseille (France)
  16. Catalan Inst. for Research and Advanced Studies, Barcelona, Catalonia (Spain); Univ of Barcelona, Barcelona (Spain). Inst. de Ciencies del Cosmos
  17. Univ. of Wyoming, Laramie, WY (United States). Dept. of Physics and Astronomy
  18. Univ. of Paris, Paris (France). Inst. d'Astrophysique de Paris
  19. Carnegie Mellon Univ., Pittsburgh, PA (United States). Bruce and Astrid McWilliams Center for Cosmology
  20. Univ. of Paris, Paris (France). Inst. d'Astrophysique de Paris
  21. Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States); Drexel Univ., Philadelphia, PA (United States). Dept. of Physics
  22. Alternative Energies and Atomic Energy Commission (CEA), Saclay (France); Sejong Univ., Seoul (Korea, Republic of). Dept. of Astronomy and Space Science
  23. Pennsylvania State Univ., University Park, PA (United States). Dept of Astronomy and Astrophysics; Pennsylvania State Univ., University Park, PA (United States). Inst. for Gravitation and the Cosmos
  24. The Ohio State Univ., Columbus, OH (United States). Dept. of Astronomy
  25. Univ. of Chicago, IL (United States). Dept. of Astronomy and Astrophysics and the Enrico Fermi Inst.
Publication Date:
Research Org.:
Brookhaven National Laboratory (BNL), Upton, NY (United States)
Sponsoring Org.:
USDOE Office of Science (SC), High Energy Physics (HEP)
OSTI Identifier:
1335435
Report Number(s):
BNL-112096-2016-JA
Journal ID: ISSN 0004-6361; KA2301020
Grant/Contract Number:  
SC00112704; AC02-98CH10886; ANR-08-BLAN-0222; ANR-12- BS05-0015-01; PIIF-GA- 2011-301665
Resource Type:
Accepted Manuscript
Journal Name:
Astronomy and Astrophysics
Additional Journal Information:
Journal Volume: 574; Journal ID: ISSN 0004-6361
Publisher:
EDP Sciences
Country of Publication:
United States
Language:
English
Subject:
79 ASTRONOMY AND ASTROPHYSICS; cosmology; Lyα forest; large scale structure; dark energy

Citation Formats

Delubac, Timothée, Bautista, Julian E., Busca, Nicolás G., Rich, James, Kirkby, David, Bailey, Stephen, Font-Ribera, Andreu, Slosar, Anže, Lee, Khee-Gan, Pieri, Matthew M., Hamilton, Jean-Christophe, Aubourg, Éric, Blomqvist, Michael, Bovy, Jo, Brinkmann, Jon, Carithers, William, Dawson, Kyle S., Eisenstein, Daniel J., Gontcho A Gontcho, Satya, Kneib, Jean-Paul, Le Goff, Jean-Marc, Margala, Daniel, Miralda-Escudé, Jordi, Myers, Adam D., Nichol, Robert C., Noterdaeme, Pasquier, O’Connell, Ross, Olmstead, Matthew D., Palanque-Delabrouille, Nathalie, Pâris, Isabelle, Petitjean, Patrick, Ross, Nicholas P., Rossi, Graziano, Schlegel, David J., Schneider, Donald P., Weinberg, David H., Yèche, Christophe, and York, Donald G. Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars. United States: N. p., 2015. Web. doi:10.1051/0004-6361/201423969.
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Delubac, Timothée, Bautista, Julian E., Busca, Nicolás G., Rich, James, Kirkby, David, Bailey, Stephen, Font-Ribera, Andreu, Slosar, Anže, Lee, Khee-Gan, Pieri, Matthew M., Hamilton, Jean-Christophe, Aubourg, Éric, Blomqvist, Michael, Bovy, Jo, Brinkmann, Jon, Carithers, William, Dawson, Kyle S., Eisenstein, Daniel J., Gontcho A Gontcho, Satya, Kneib, Jean-Paul, Le Goff, Jean-Marc, Margala, Daniel, Miralda-Escudé, Jordi, Myers, Adam D., Nichol, Robert C., Noterdaeme, Pasquier, O’Connell, Ross, Olmstead, Matthew D., Palanque-Delabrouille, Nathalie, Pâris, Isabelle, Petitjean, Patrick, Ross, Nicholas P., Rossi, Graziano, Schlegel, David J., Schneider, Donald P., Weinberg, David H., Yèche, Christophe, & York, Donald G. Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars. United States. https://doi.org/10.1051/0004-6361/201423969
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Delubac, Timothée, Bautista, Julian E., Busca, Nicolás G., Rich, James, Kirkby, David, Bailey, Stephen, Font-Ribera, Andreu, Slosar, Anže, Lee, Khee-Gan, Pieri, Matthew M., Hamilton, Jean-Christophe, Aubourg, Éric, Blomqvist, Michael, Bovy, Jo, Brinkmann, Jon, Carithers, William, Dawson, Kyle S., Eisenstein, Daniel J., Gontcho A Gontcho, Satya, Kneib, Jean-Paul, Le Goff, Jean-Marc, Margala, Daniel, Miralda-Escudé, Jordi, Myers, Adam D., Nichol, Robert C., Noterdaeme, Pasquier, O’Connell, Ross, Olmstead, Matthew D., Palanque-Delabrouille, Nathalie, Pâris, Isabelle, Petitjean, Patrick, Ross, Nicholas P., Rossi, Graziano, Schlegel, David J., Schneider, Donald P., Weinberg, David H., Yèche, Christophe, and York, Donald G. Mon . "Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars". United States. https://doi.org/10.1051/0004-6361/201423969. https://www.osti.gov/servlets/purl/1335435.
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@article{osti_1335435,
title = {Baryon acoustic oscillations in the Lyα forest of BOSS DR11 quasars},
author = {Delubac, Timothée and Bautista, Julian E. and Busca, Nicolás G. and Rich, James and Kirkby, David and Bailey, Stephen and Font-Ribera, Andreu and Slosar, Anže and Lee, Khee-Gan and Pieri, Matthew M. and Hamilton, Jean-Christophe and Aubourg, Éric and Blomqvist, Michael and Bovy, Jo and Brinkmann, Jon and Carithers, William and Dawson, Kyle S. and Eisenstein, Daniel J. and Gontcho A Gontcho, Satya and Kneib, Jean-Paul and Le Goff, Jean-Marc and Margala, Daniel and Miralda-Escudé, Jordi and Myers, Adam D. and Nichol, Robert C. and Noterdaeme, Pasquier and O’Connell, Ross and Olmstead, Matthew D. and Palanque-Delabrouille, Nathalie and Pâris, Isabelle and Petitjean, Patrick and Ross, Nicholas P. and Rossi, Graziano and Schlegel, David J. and Schneider, Donald P. and Weinberg, David H. and Yèche, Christophe and York, Donald G.},
abstractNote = {We report a detection of the baryon acousticoscillation (BAO) feature in the flux-correlation function of the Lyα forest of high-redshift quasars with a statistical significance of five standard deviations. The study uses 137,562 quasars in the redshift range 2.1 ≤ z ≤ 3.5 from the data release 11 (DR11) of the Baryon Oscillation Spectroscopic Survey (BOSS) of SDSS-III. This sample contains three times the number of quasars used in previous studies. The measured position of the BAO peak determines the angular distance, DA(z = 2.34) and expansion rate, H(z = 2.34), both on a scale set by the sound horizon at the drag epoch, rd. We find DA/rd = 11.28 ± 0.65(1σ)$+2.8\atop{-1.2}$(2σ) and DH/rd = 9.18 ± 0.28(1σ) ± 0.6(2σ) where DH = c/H. The optimal combination, ~D$0.7\atop{H}$ D$0.3\atop{A}/rd is determined with a precision of ~2%. For the value rd = 147.4 Mpc, consistent with the cosmic microwave background power spectrum measured by Planck, we find DA(z = 2.34) = 1662 ± 96(1σ) Mpc and H(z = 2.34) = 222 ± 7(1σ) km s-1 Mpc-1. Tests with mock catalogs and variations of our analysis procedure have revealed no systematic uncertainties comparable to our statistical errors. Our results agree with the previously reported BAO measurement at the same redshift using the quasar-Lyα forest cross-correlation. The autocorrelation and cross-correlation approaches are complementary because of the quite different impact of redshift-space distortion on the two measurements. The combined constraints from the two correlation functions imply values of DA/rd that are 7% lower and 7% higher for DH/rd than the predictions of a flat ΛCDM cosmological model with the best-fit Planck parameters. With our estimated statistical errors, the significance of this discrepancy is ≈2.5σ.},
doi = {10.1051/0004-6361/201423969},
journal = {Astronomy and Astrophysics},
number = ,
volume = 574,
place = {United States},
year = {Mon Jan 26 00:00:00 EST 2015},
month = {Mon Jan 26 00:00:00 EST 2015}
}
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    • Blas, Diego; Garny, Mathias; Ivanov, Mikhail M.
    • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 07
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    Reconstruction of the Dark Energy Equation of State from the Latest Observations
    journal, April 2018

    Conjoined constraints on modified gravity from the expansion history and cosmic growth
    journal, September 2017

    In search of the dark matter dark energy interaction: a kinematic approach
    journal, January 2017

    The Hubble Constant
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    Unraveling the effective fluid approach for f ( R ) models in the subhorizon approximation
    journal, February 2019

    Revisit of constraints on dark energy with Hubble parameter measurements including future redshift drift observations
    journal, May 2019

    Baryonic acoustic oscillations from 21 cm intensity mapping: the Square Kilometre Array case
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    • Villaescusa-Navarro, Francisco; Alonso, David; Viel, Matteo
    • Monthly Notices of the Royal Astronomical Society, Vol. 466, Issue 3
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    Dark Energy Survey year 1 results: galaxy sample for BAO measurement
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    • Crocce, M.; Ross, A. J.; Sevilla-Noarbe, I.
    • Monthly Notices of the Royal Astronomical Society, Vol. 482, Issue 2
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    Quantifying the accuracy of the Alcock-Paczyński scaling of baryon acoustic oscillation measurements
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    • Heinesen, Asta; Blake, Chris; Wiltshire, David L.
    • Journal of Cosmology and Astroparticle Physics, Vol. 2020, Issue 01
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    A White Paper on keV Sterile Neutrino Dark Matter
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    Cosmological model-independent test of $$\varLambda $$ Λ CDM with two-point diagnostic by the observational Hubble parameter data
    journal, April 2018

    Cosmological perturbations on the phantom brane
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    • Bag, Satadru; Viznyuk, Alexander; Shtanov, Yuri
    • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 07
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    The effects of spatial curvature on cosmic evolution
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    • Farrugia, Christine R.; Sultana, Joseph
    • International Journal of Modern Physics D, Vol. 26, Issue 10
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    Impact of inhomogeneous reionization on the Lyman-α forest
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    • Montero-Camacho, Paulo; Hirata, Christopher M.; Martini, Paul
    • Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 1
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    Observational constraints on Hubble parameter in viscous generalized Chaplygin gas
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    Fourier-series expansion of the dark-energy equation of state
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    • Tamayo, David; Vázquez, J. Alberto
    • Monthly Notices of the Royal Astronomical Society, Vol. 487, Issue 1
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    SDSS-IV eBOSS emission-line galaxy pilot survey
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    Quantifying tensions between CMB and distance data sets in models with free curvature or lensing amplitude
    journal, August 2016

    • Grandis, S.; Rapetti, D.; Saro, A.
    • Monthly Notices of the Royal Astronomical Society, Vol. 463, Issue 2
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    Elucidating ΛCDM: Impact of Baryon Acoustic Oscillation Measurements on the Hubble Constant Discrepancy
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    • Addison, G. E.; Watts, D. J.; Bennett, C. L.
    • The Astrophysical Journal, Vol. 853, Issue 2
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    Dynamical dark energy in light of the latest observations
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    Thermodynamics and stability of $f(T,B)$ gravity with viscous fluid by observational constraints
    journal, August 2019

    Constraining the Dark Matter Vacuum Energy Interaction Using the EDGES 21 cm Absorption Signal
    journal, December 2018

    Inflation model selection revisited
    journal, July 2019

    The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: first measurement of baryon acoustic oscillations between redshift 0.8 and 2.2
    journal, October 2017

    • Ata, Metin; Baumgarten, Falk; Bautista, Julian
    • Monthly Notices of the Royal Astronomical Society, Vol. 473, Issue 4
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    Sounds Discordant: Classical Distance Ladder and ΛCDM-based Determinations of the Cosmological Sound Horizon
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    Determining H 0 using a model-independent method
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    A Magnified Glance into the dark Sector: Probing Cosmological Models with Strong Lensing in A1689
    journal, October 2015

    Dark matter and dark energy interactions: theoretical challenges, cosmological implications and observational signatures
    journal, August 2016

    Test of the cosmic evolution using Gaussian processes
    text, January 2016

    Constraining dark energy with Hubble parameter measurements: an analysis including future redshift-drift observations
    journal, March 2016

    Infrared resummation for biased tracers in redshift space
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    Anisotropic behavior of dark energy models in fractal cosmology
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    • Hossienkhani, H.; Yousefi, H.; Azimi, N.
    • International Journal of Geometric Methods in Modern Physics, Vol. 15, Issue 12
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    Hubble Parameter Measurement Constraints on the Redshift of the Deceleration–Acceleration Transition, Dynamical dark Energy, and Space Curvature
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    • Farooq, Omer; Madiyar, Foram Ranjeet; Crandall, Sara
    • The Astrophysical Journal, Vol. 835, Issue 1
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    Measurement of baryon acoustic oscillation correlations at z  = 2.3 with SDSS DR12 Ly α -Forests
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    Constraints on a Bianchi type I spacetime extension of the standard Λ CDM model
    journal, July 2019

    Nonlinear logarithmic interactions and a varying polytropic gas
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    An Improved Method to Measure the Cosmic Curvature
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    Searching for a matter bounce cosmology with low redshift observations
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    Testing a quintessence model with Yukawa interaction from cosmological observations and N-body simulations
    journal, July 2019

    • An, Rui; Costa, André A.; Xiao, Linfeng
    • Monthly Notices of the Royal Astronomical Society, Vol. 489, Issue 1
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    The Sloan Digital Sky Survey Quasar Catalog: Twelfth data release
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    Constraining the Cosmology of the Phantom Brane using Distance Measures
    text, January 2016

    First Evidence of Running Cosmic Vacuum: Challenging the Concordance Model
    journal, February 2017

    • Solà, Joan; Gómez-Valent, Adrià; Pérez, Javier de Cruz
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    The Spectroscopic Signature of Variability in High-redshift Quasars
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    • Dyer, Jamie C.; Dawson, Kyle S.; Bourboux, Hélion du Mas des
    • The Astrophysical Journal, Vol. 880, Issue 2
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    Observational challenges for the standard FLRW model
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    • Buchert, Thomas; Coley, Alan A.; Kleinert, Hagen
    • International Journal of Modern Physics D, Vol. 25, Issue 03
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    Hints of Dynamical Vacuum Energy in the Expanding Universe
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    • Solà, Joan; Gómez-Valent, Adrià; de Cruz Pérez, Javier
    • The Astrophysical Journal, Vol. 811, Issue 1
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    Galileon gravity in light of ISW, CMB, BAO and H 0 data
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    • Renk, Janina; Zumalacárregui, Miguel; Montanari, Francesco
    • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 10
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    Cosmological constraints to dark matter with two- and many-body decays
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    Constraining the cosmology of the phantom brane using distance measures
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    The SDSS-DR12 large-scale cross-correlation of damped Lyman alpha systems with the Lyman alpha forest
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    • Pérez-Ràfols, Ignasi; Font-Ribera, Andreu; Miralda-Escudé, Jordi
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    Cosmological constraints and phenomenology of a beyond-Horndeski model
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    Constraining interacting dark energy with CMB and BAO future surveys
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    Possible signals of vacuum dynamics in the Universe
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    Dark energy two decades after: Observables, probes, consistency tests
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    Density perturbations for running vacuum: a successful approach to structure formation and to the σ8-tension
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    • Gómez-Valent, Adrià; Solà Peracaula, Joan
    • Monthly Notices of the Royal Astronomical Society, Vol. 478, Issue 1
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    A Dark Energy Quintessence Model of the Universe
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    Linear expansion models vs. standard cosmologies: a critical and historical overview
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    Observational constraints on the free parameters of an interacting Bose–Einstein gas as a dark-energy model
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    • Lucatero-Villaseñor, Hiram E.; Izquierdo, Germán; Besprosvany, Jaime
    • General Relativity and Gravitation, Vol. 50, Issue 12
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    Gravity at the horizon: on relativistic effects, CMB-LSS correlations and ultra-large scales in Horndeski's theory
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    • Renk, Janina; Zumalacárregui, Miguel; Montanari, Francesco
    • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 07
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    Model-independent reconstruction of the linear anisotropic stress η
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    • Pinho, Ana Marta; Casas, Santiago; Amendola, Luca
    • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 11
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    Test of the cosmic evolution using Gaussian processes
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    Cosmological consequences and statefinder diagnosis of a noninteracting generalized Chaplygin gas in f(R,T) gravity
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    Observational constraints of emergent universe in brane-world with Gauss–Bonnet term and dissipative effect
    journal, November 2019

    • Debnath, Partha Sarathi
    • International Journal of Geometric Methods in Modern Physics, Vol. 16, Issue 11
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    The clustering of galaxies in the completed SDSS-III Baryon Oscillation Spectroscopic Survey: cosmological analysis of the DR12 galaxy sample
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    • Alam, Shadab; Ata, Metin; Bailey, Stephen
    • Monthly Notices of the Royal Astronomical Society, Vol. 470, Issue 3
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    Possible signals of vacuum dynamics in the Universe
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    • Solà Peracaula, Joan; de Cruz Pérez, Javier; Gómez-Valent, Adrià
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    Designing Horndeski and the effective fluid approach
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    Origin of Metals around Galaxies. I. Catalogs of Metal-line Absorption Doublets from High-resolution Quasar Spectra
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    • Mas-Ribas, Lluís; Riemer-Sørensen, Signe; Hennawi, Joseph F.
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    Features and New Physical Scales in Primordial Observables: Theory and Observation
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    Bayesian correction of H(z) data uncertainties
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    Baryon acoustic oscillations from the cross-correlation of Ly α absorption and quasars in eBOSS DR14
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    Modeling the large-scale power deficit with smooth and discontinuous primordial spectra
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    Testing cosmic acceleration for w(z) parametrizations using fgas measurements in galaxy clusters
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    • Magaña, Juan; Motta, V.; Cárdenas, Víctor H.
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    The clustering of theSDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: measuring the anisotropic baryon acoustic oscillations with redshift weights
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    • Zhu, Fangzhou; Padmanabhan, Nikhil; Ross, Ashley J.
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    Cosmological singularities in interacting dark energy models with an ω(q) parametrization
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    • Elizalde, Emilio; Khurshudyan, Martiros; Nojiri, Shin’ichi
    • International Journal of Modern Physics D, Vol. 28, Issue 01
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    Dark energy two decades after: observables, probes, consistency tests
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    Lensing corrections to the E g ( z ) statistics from large scale structure
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    • Dizgah, Azadeh Moradinezhad; Durrer, Ruth
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    Getting the Most Neutrinos out of IsoDAR
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    SUGAR: An improved empirical model of Type Ia supernovae based on spectral features
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    The bispectrum of relativistic galaxy number counts
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    • Dio, Enea Di; Durrer, Ruth; Marozzi, Giovanni
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    Extended gravity cosmography
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    • Capozziello, Salvatore; D’Agostino, Rocco; Luongo, Orlando
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    Cosmic acceleration and stars in an asymptotically Ricci flat universe
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    Constraining cosmic curvature by using age of galaxies and gravitational lenses
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    • Rana, Akshay; Jain, Deepak; Mahajan, Shobhit
    • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 03
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    No evidence for the evolution of mass density power-law index γ from strong gravitational lensing observation
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    • Cui, Jing-Lei; Li, Hai-Li; Zhang, Xin
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    The Sdss-Iv Extended Baryon Oscillation Spectroscopic Survey: Overview and Early data
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    • Dawson, Kyle S.; Kneib, Jean-Paul; Percival, Will J.
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    The one-dimensional power spectrum from the SDSS DR14 Lyα forests
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    • Chabanier, Solène; Palanque-Delabrouille, Nathalie; Yèche, Christophe
    • Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 07
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    On the spatial distribution of neutral hydrogen in the Universe: bias and shot-noise of the H i power spectrum
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    • Castorina, Emanuele; Villaescusa-Navarro, Francisco
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    H i and cosmological constraints from intensity mapping, optical and CMB surveys
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    • Pourtsidou, Alkistis; Bacon, David; Crittenden, Robert
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    Getting the most neutrinos out of IsoDAR
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    Wormhole formation in f ( R , T ) gravity: Varying Chaplygin gas and barotropic fluid
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    Reannihilation of self-interacting dark matter
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    Cosmological constant constraints from observation-derived energy condition bounds and their application to bimetric massive gravity
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    Geometric Inflation and Dark Energy with Axion $F(R)$ Gravity
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    Reannihilation of self-interacting dark matter
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    • Binder, Tobias; Gustafsson, Michael; Kamada, Ayuki
    • Deutsches Elektronen-Synchrotron, DESY, Hamburg
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    The clustering of the SDSS-IV extended Baryon Oscillation Spectroscopic Survey DR14 quasar sample: anisotropic clustering analysis in configuration space
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    The Extended Baryon Oscillation Spectroscopic Survey: Measuring the Cross-correlation between the Mg ii Flux Transmission Field and Quasars and Galaxies at z = 0.59
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    Constraining the cosmic deceleration-acceleration transition with type Ia supernova, BAO/CMB and H(z) data
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    • Santos, M. Vargas dos; Reis, R. R. R.; Waga, I.
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    Current constraints on anisotropic and isotropic dark energy models
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    Astronomical bounds on a cosmological model allowing a general interaction in the dark sector
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    Planck 2015 results : XXIII. The thermal Sunyaev-Zeldovich effect-cosmic infrared background correlation
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    UV background fluctuations and three-point correlations in the large-scale clustering of the Lyman α forest
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    • Tie, Suk Sien; Weinberg, David H.; Martini, Paul
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    Baryon acoustic oscillation methods for generic curvature: application to the SDSS-III Baryon Oscillation Spectroscopic Survey
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    • Heinesen, Asta; Blake, Chris; Li, Yong-Zhuang
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    New parametrized equation of state for dark energy surveys
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    Dark Energy Survey Year 1 results: measurement of the baryon acoustic oscillation scale in the distribution of galaxies to redshift 1
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    Are H 0 and σ 8 Tensions Generic to Present Cosmological Data?
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    Relieving the tension between weak lensing and cosmic microwave background with interacting dark matter and dark energy models
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    Low redshift observational constraints on tachyon models of dark energy
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    • Singh, Avinash; Sangwan, Archana; Jassal, H. K.
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    Baryon acoustic oscillations at z = 2.34 from the correlations of Ly α absorption in eBOSS DR14
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    Catalogues of active galactic nuclei from Gaia and unWISE data
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    • Shu, Yiping; Koposov, Sergey; Evans, Wyn
    • Apollo - University of Cambridge Repository
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    Testing the equation of state for viscous dark energy
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    Probing dark energy with braneworld cosmology in the light of recent cosmological data
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    nbodykit: An Open-source, Massively Parallel Toolkit for Large-scale Structure
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    Observational constraints on extended Chaplygin gas cosmologies
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    Coupled quintessence and the impossibility of an interaction: a dynamical analysis study
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    Observational challenges for the standard FLRW model
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    • Buchert, Thomas; Coley, Alan A.; Kleinert, Hagen
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    Dynamical dark energy in light of the latest observations
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    A divergence-free parametrization of deceleration parameter for scalar field dark energy
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    A dark energy quintessence model of the universe
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    Dark energy from α-attractors: phenomenology and observational constraints
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    Hubble-rate-dependent dark energy in Brans-Dicke cosmology
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    Astronomical bounds on a cosmological model allowing a general interaction in the dark sector
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    Matter power spectrum: from Ly α forest to CMB scales
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    Tension and constraints on modified gravity parametrizations of G eff ( z ) from growth rate and Planck data
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    Cosmological constraints from a joint analysis of cosmic growth and expansion
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    A White Paper on keV sterile neutrino Dark Matter
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    The First Constraint from SDSS Galaxy–Galaxy Weak Lensing Measurements on Interacting Dark Energy Models
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    Cosmological Parameters from pre-Planck CMB Measurements: a 2017 Update
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    Constraints on neutrino masses from Lyman-alpha forest power spectrum with BOSS and XQ-100
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    Discriminating topology in galaxy distributions using network analysis
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    Constraining power of cosmological observables: Blind redshift spots and optimal ranges
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    Apparent cosmic acceleration from Type Ia supernovae
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    The clustering of the SDSS DR7 main Galaxy sample – I. A 4 per cent distance measure at z = 0.15
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    Testing the equation of state for viscous dark energy
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    On cosmology of interacting varying polytropic dark fluids
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    Friedmann–Robertson–Walker (FRW) cosmological model in the present perspective
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    Galaxy and Mass Assembly (GAMA): Redshift Space Distortions from the Clipped Galaxy Field
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    A model with interaction of dark components and recent observational data
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    Geometric inflation and dark energy with axion F ( R ) gravity
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    An Evaluation of Cosmological Models from the Expansion and Growth of Structure Measurements
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    Prospect for Cosmological Parameter Estimation Using Future Hubble Parameter Measurements
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    Calibrating the cosmic distance scale ladder: the role of the sound-horizon scale and the local expansion rate as distance anchors
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    • Cuesta, Antonio J.; Verde, Licia; Riess, Adam
    • Monthly Notices of the Royal Astronomical Society, Vol. 448, Issue 4
    • DOI: 10.1093/mnras/stv261

    Evolution of Dark Energy Reconstructed from the Latest Observations
    journal, December 2018

    • Wang, Yuting; Pogosian, Levon; Zhao, Gong-Bo
    • The Astrophysical Journal, Vol. 869, Issue 1
    • DOI: 10.3847/2041-8213/aaf238

    Angular Baryon Acoustic Oscillation measure at z =2.225 from the SDSS quasar survey
    journal, April 2018

    • de Carvalho, E.; Bernui, A.; Carvalho, G. C.
    • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 04
    • DOI: 10.1088/1475-7516/2018/04/064

    First Data Release of the COSMOS Ly α Mapping and Tomography Observations: 3D Ly α Forest Tomography at 2.05 < z < 2.55
    journal, August 2018

    • Lee, Khee-Gan; Krolewski, Alex; White, Martin
    • The Astrophysical Journal Supplement Series, Vol. 237, Issue 2
    • DOI: 10.3847/1538-4365/aace58

    Beating non-linearities: improving the baryon acoustic oscillations with the linear point
    journal, November 2015

    • Anselmi, Stefano; Starkman, Glenn D.; Sheth, Ravi K.
    • Monthly Notices of the Royal Astronomical Society, Vol. 455, Issue 3
    • DOI: 10.1093/mnras/stv2436

    Reconstruction of interaction rate in holographic dark energy
    journal, November 2016

    An Alternative to the Λcdm Model: the case of Scale Invariance
    journal, January 2017

    Parameter splitting in dark energy: is dark energy the same in the background and in the cosmic structures?
    journal, February 2016

    • Bernal, José Luis; Verde, Licia; Cuesta, Antonio J.
    • Journal of Cosmology and Astroparticle Physics, Vol. 2016, Issue 02
    • DOI: 10.1088/1475-7516/2016/02/059

    Characterizing the Lyα forest flux probability distribution function using Legendre polynomials
    journal, October 2017

    Galileon gravity in light of ISW, CMB, BAO and H 0 data
    journal, October 2017

    • Renk, Janina; Zumalacárregui, Miguel; Montanari, Francesco
    • Journal of Cosmology and Astroparticle Physics, Vol. 2017, Issue 10
    • DOI: 10.1088/1475-7516/2017/10/020

    How to estimate the 3D power spectrum of the Lyman-α forest
    journal, January 2018

    • Font-Ribera, Andreu; McDonald, Patrick; Slosar, Anže
    • Journal of Cosmology and Astroparticle Physics, Vol. 2018, Issue 01
    • DOI: 10.1088/1475-7516/2018/01/003

    Redshift remapping and cosmic acceleration in dark-matter-dominated cosmological models
    journal, June 2017

    • Wojtak, Radosław; Prada, Francisco
    • Monthly Notices of the Royal Astronomical Society, Vol. 470, Issue 4
    • DOI: 10.1093/mnras/stx1550

    The cross-correlation between 21cm intensity mapping maps and the Lyman-alpha forest in the post-reionization era
    text, January 2016

    Is exponential gravity a viable description for the whole cosmological history?
    text, January 2017

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